40428631652458 has 32 divisors (see below), whose sum is σ = 69389952977664. Its totient is φ = 17305631331072.

The previous prime is 40428631652261. The next prime is 40428631652483. The reversal of 40428631652458 is 85425613682404.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72620016 + ... + 73174612.

It is an arithmetic number, because the mean of its divisors is an integer number (2168436030552).

Almost surely, 2^{40428631652458} is an apocalyptic number.

40428631652458 is a deficient number, since it is larger than the sum of its proper divisors (28961321325206).

40428631652458 is a wasteful number, since it uses less digits than its factorization.

40428631652458 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 560886.

The product of its (nonzero) digits is 44236800, while the sum is 58.

The spelling of 40428631652458 in words is "forty trillion, four hundred twenty-eight billion, six hundred thirty-one million, six hundred fifty-two thousand, four hundred fifty-eight".