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40238400216 = 2337276786561
BaseRepresentation
bin100101011110011001…
…010100001011011000
310211212021122112010010
4211132121110023120
51124402012301331
630252452321520
72623100521110
oct453631241330
9124767575103
1040238400216
1116079589713
12796b9132a0
133a43593191
141d3a108040
1510a78c8e46
hex95e6542d8

40238400216 has 64 divisors (see below), whose sum is σ = 115009735680. Its totient is φ = 11492398080.

The previous prime is 40238400211. The next prime is 40238400217. The reversal of 40238400216 is 61200483204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40238400211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 421576 + ... + 508136.

It is an arithmetic number, because the mean of its divisors is an integer number (1797027120).

Almost surely, 240238400216 is an apocalyptic number.

It is an amenable number.

40238400216 is an abundant number, since it is smaller than the sum of its proper divisors (74771335464).

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

40238400216 is a wasteful number, since it uses less digits than its factorization.

40238400216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89344 (or 89340 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 30.

The spelling of 40238400216 in words is "forty billion, two hundred thirty-eight million, four hundred thousand, two hundred sixteen".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 2767 5534 8301 11068 16602 19369 22136 33204 38738 58107 66408 77476 86561 116214 154952 173122 232428 259683 346244 464856 519366 605927 692488 1038732 1211854 1817781 2077464 2423708 3635562 4847416 7271124 14542248 239514287 479028574 718542861 958057148 1437085722 1676600009 1916114296 2874171444 3353200018 5029800027 5748342888 6706400036 10059600054 13412800072 20119200108 40238400216