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40231113440 = 255741578641
BaseRepresentation
bin100101011101111101…
…100001001011100000
310211211202221022112112
4211131331201023200
51124343131112230
630252032214452
72622651551630
oct453575411340
9124752838475
1040231113440
1116075461a91
12796939a428
133a41c1158b
141d3916c6c0
1510a6e39d95
hex95df612e0

40231113440 has 96 divisors (see below), whose sum is σ = 108662710464. Its totient is φ = 13788610560.

The previous prime is 40231113431. The next prime is 40231113473. The reversal of 40231113440 is 4431113204.

40231113440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4651520 + ... + 4660160.

It is an arithmetic number, because the mean of its divisors is an integer number (1131903234).

Almost surely, 240231113440 is an apocalyptic number.

40231113440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40231113440 is an abundant number, since it is smaller than the sum of its proper divisors (68431597024).

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

40231113440 is a wasteful number, since it uses less digits than its factorization.

40231113440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12820 (or 12812 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 40231113440 its reverse (4431113204), we get a palindrome (44662226644).

The spelling of 40231113440 in words is "forty billion, two hundred thirty-one million, one hundred thirteen thousand, four hundred forty".

Divisors: 1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 70 80 112 140 160 224 280 560 1120 4157 8314 8641 16628 17282 20785 29099 33256 34564 41570 43205 58198 60487 66512 69128 83140 86410 116396 120974 133024 138256 145495 166280 172820 232792 241948 276512 290990 302435 332560 345640 465584 483896 581980 604870 665120 691280 931168 967792 1163960 1209740 1382560 1935584 2327920 2419480 4655840 4838960 9677920 35920637 71841274 143682548 179603185 251444459 287365096 359206370 502888918 574730192 718412740 1005777836 1149460384 1257222295 1436825480 2011555672 2514444590 2873650960 4023111344 5028889180 5747301920 8046222688 10057778360 20115556720 40231113440