40140604450251 has 32 divisors (see below), whose sum is σ = 59724007200000. Its totient is φ = 26645149468224.

The previous prime is 40140604450237. The next prime is 40140604450277. The reversal of 40140604450251 is 15205440604104.

40140604450251 is a `hidden beast` number, since 4 + 0 + 1 + 4 + 0 + 60 + 44 + 502 + 51 = 666.

It is not a de Polignac number, because 40140604450251 - 2⁷ = 40140604450123 is a prime.

It is a super-2 number, since 2×40140604450251² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40140604450231) 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, 7811500 + ... + 11886998.

It is an arithmetic number, because the mean of its divisors is an integer number (1866375225000).

Almost surely, 2^{40140604450251} is an apocalyptic number.

40140604450251 is a deficient number, since it is larger than the sum of its proper divisors (19583402749749).

40140604450251 is a wasteful number, since it uses less digits than its factorization.

40140604450251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077080 (or 4077074 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The spelling of 40140604450251 in words is "forty trillion, one hundred forty billion, six hundred four million, four hundred fifty thousand, two hundred fifty-one".