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40357139088 = 24371924232609
BaseRepresentation
bin100101100101011110…
…010001001010010000
310212011120002002020010
4211211132101022100
51130122411422323
630312333314520
72626042010430
oct454536211220
9125146062203
1040357139088
111612a609a12
1279a3635a40
133a62068076
141d4bbb62c0
1510b3030c93
hex965791290

40357139088 has 160 divisors (see below), whose sum is σ = 125520537600. Its totient is φ = 10915043328.

The previous prime is 40357139087. The next prime is 40357139099. The reversal of 40357139088 is 88093175304.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (40357139087) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15467128 + ... + 15469736.

It is an arithmetic number, because the mean of its divisors is an integer number (784503360).

Almost surely, 240357139088 is an apocalyptic number.

40357139088 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40357139088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62760268800).

40357139088 is an abundant number, since it is smaller than the sum of its proper divisors (85163398512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40357139088 is a wasteful number, since it uses less digits than its factorization.

40357139088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5069 (or 5063 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The spelling of 40357139088 in words is "forty billion, three hundred fifty-seven million, one hundred thirty-nine thousand, eighty-eight".

Divisors: 1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 266 304 336 399 456 532 798 912 1064 1596 2128 2423 2609 3192 4846 5218 6384 7269 7827 9692 10436 14538 15654 16961 18263 19384 20872 29076 31308 33922 36526 38768 41744 46037 49571 50883 54789 58152 62616 67844 73052 92074 99142 101766 109578 116304 125232 135688 138111 146104 148713 184148 198284 203532 219156 271376 276222 292208 297426 322259 346997 368296 396568 407064 438312 552444 594852 644518 693994 736592 793136 814128 876624 966777 1040991 1104888 1189704 1289036 1387988 1933554 2081982 2209776 2379408 2578072 2775976 3867108 4163964 5156144 5551952 6321607 7734216 8327928 12643214 15468432 16655856 18964821 25286428 37929642 44251249 50572856 75859284 88502498 101145712 120110533 132753747 151718568 177004996 240221066 265507494 303437136 354009992 360331599 480442132 531014988 708019984 720663198 840773731 960884264 1062029976 1441326396 1681547462 1921768528 2124059952 2522321193 2882652792 3363094924 5044642386 5765305584 6726189848 10089284772 13452379696 20178569544 40357139088