51000432626 has 128 divisors (see below), whose sum is σ = 94997919744. Its totient is φ = 20217600000.

The previous prime is 51000432617. The next prime is 51000432649. The reversal of 51000432626 is 62623400015.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 97889246 + ... + 97889766.

It is an arithmetic number, because the mean of its divisors is an integer number (742171248).

Almost surely, 2^51000432626 is an apocalyptic number.

51000432626 is a deficient number, since it is larger than the sum of its proper divisors (43997487118).

51000432626 is a wasteful number, since it uses less digits than its factorization.

51000432626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820.

The product of its (nonzero) digits is 8640, while the sum is 29.

The spelling of 51000432626 in words is "fifty-one billion, four hundred thirty-two thousand, six hundred twenty-six".