40465172451 has 16 divisors (see below), whose sum is σ = 59519767680. Its totient is φ = 24248790720.

The previous prime is 40465172389. The next prime is 40465172459. The reversal of 40465172451 is 15427156404.

It is not a de Polignac number, because 40465172451 - 2⁶ = 40465172387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40465172459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6885925 + ... + 6891798.

It is an arithmetic number, because the mean of its divisors is an integer number (3719985480).

Almost surely, 2^40465172451 is an apocalyptic number.

40465172451 is a deficient number, since it is larger than the sum of its proper divisors (19054595229).

40465172451 is a wasteful number, since it uses less digits than its factorization.

40465172451 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13777826.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 40465172451 in words is "forty billion, four hundred sixty-five million, one hundred seventy-two thousand, four hundred fifty-one".