15914892749940 has 96 divisors (see below), whose sum is σ = 49975738162560. Its totient is φ = 4204308100608.

The previous prime is 15914892749911. The next prime is 15914892749941. The reversal of 15914892749940 is 4994729841951.

15914892749940 is a `hidden beast` number, since 1 + 5 + 9 + 1 + 4 + 8 + 92 + 7 + 499 + 40 = 666.

It is a super-2 number, since 2×15914892749940² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (15914892749941) 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, 137661957 + ... + 137777516.

It is an arithmetic number, because the mean of its divisors is an integer number (520580605860).

Almost surely, 2^{15914892749940} is an apocalyptic number.

15914892749940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

15914892749940 is an abundant number, since it is smaller than the sum of its proper divisors (34060845412620).

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

15914892749940 is a wasteful number, since it uses less digits than its factorization.

15914892749940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275439598 (or 275439590 counting only the distinct ones).

The product of its (nonzero) digits is 235146240, while the sum is 72.

The spelling of 15914892749940 in words is "fifteen trillion, nine hundred fourteen billion, eight hundred ninety-two million, seven hundred forty-nine thousand, nine hundred forty".