51260941004 has 24 divisors (see below), whose sum is σ = 110408181408. Its totient is φ = 20279053440.

The previous prime is 51260940979. The next prime is 51260941021. The reversal of 51260941004 is 40014906215.

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, 70413017 + ... + 70413744.

It is an arithmetic number, because the mean of its divisors is an integer number (4600340892).

Almost surely, 2^51260941004 is an apocalyptic number.

It is an amenable number.

51260941004 is an abundant number, since it is smaller than the sum of its proper divisors (59147240404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51260941004 is a wasteful number, since it uses less digits than its factorization.

51260941004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140826785 (or 140826783 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 32.

The spelling of 51260941004 in words is "fifty-one billion, two hundred sixty million, nine hundred forty-one thousand, four".