51000580388 has 24 divisors (see below), whose sum is σ = 89862052224. Its totient is φ = 25325784000.

The previous prime is 51000580373. The next prime is 51000580441. The reversal of 51000580388 is 88308500015.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4512881 + ... + 4524167.

It is an arithmetic number, because the mean of its divisors is an integer number (3744252176).

Almost surely, 2^51000580388 is an apocalyptic number.

It is an amenable number.

51000580388 is a deficient number, since it is larger than the sum of its proper divisors (38861471836).

51000580388 is a wasteful number, since it uses less digits than its factorization.

51000580388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18923 (or 18921 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 38.

The spelling of 51000580388 in words is "fifty-one billion, five hundred eighty thousand, three hundred eighty-eight".