40464216608431 has 16 divisors (see below), whose sum is σ = 50449822967808. Its totient is φ = 31529977437600.

The previous prime is 40464216608401. The next prime is 40464216608437. The reversal of 40464216608431 is 13480661246404.

It is a cyclic number.

It is not a de Polignac number, because 40464216608431 - 2⁵ = 40464216608399 is a prime.

It is a super-2 number, since 2×40464216608431² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40464216608437) 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, 611295 + ... + 9016768.

It is an arithmetic number, because the mean of its divisors is an integer number (3153113935488).

Almost surely, 2^{40464216608431} is an apocalyptic number.

40464216608431 is a deficient number, since it is larger than the sum of its proper divisors (9985606359377).

40464216608431 is a wasteful number, since it uses less digits than its factorization.

40464216608431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682662.

The product of its (nonzero) digits is 2654208, while the sum is 49.

The spelling of 40464216608431 in words is "forty trillion, four hundred sixty-four billion, two hundred sixteen million, six hundred eight thousand, four hundred thirty-one".