40431537192897 has 24 divisors (see below), whose sum is σ = 58446818040000. Its totient is φ = 26933266676448.

The previous prime is 40431537192881. The next prime is 40431537192911. The reversal of 40431537192897 is 79829173513404.

40431537192897 is a `hidden beast` number, since 4 + 0 + 4 + 3 + 1 + 537 + 1 + 9 + 2 + 8 + 97 = 666.

It is not a de Polignac number, because 40431537192897 - 2⁴ = 40431537192881 is a prime.

It is a super-2 number, since 2×40431537192897² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40431537192797) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101005854 + ... + 101405352.

It is an arithmetic number, because the mean of its divisors is an integer number (2435284085000).

Almost surely, 2^{40431537192897} is an apocalyptic number.

It is an amenable number.

40431537192897 is a deficient number, since it is larger than the sum of its proper divisors (18015280847103).

40431537192897 is a wasteful number, since it uses less digits than its factorization.

40431537192897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 408277 (or 408274 counting only the distinct ones).

The product of its (nonzero) digits is 45722880, while the sum is 63.

The spelling of 40431537192897 in words is "forty trillion, four hundred thirty-one billion, five hundred thirty-seven million, one hundred ninety-two thousand, eight hundred ninety-seven".