51028730260 has 24 divisors (see below), whose sum is σ = 107210428416. Its totient is φ = 20401950240.

The previous prime is 51028730237. The next prime is 51028730287. The reversal of 51028730260 is 6203782015.

It is a happy number.

It is a congruent number.

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, 552436 + ... + 638155.

It is an arithmetic number, because the mean of its divisors is an integer number (4467101184).

Almost surely, 2^51028730260 is an apocalyptic number.

It is an amenable number.

51028730260 is an abundant number, since it is smaller than the sum of its proper divisors (56181698156).

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

51028730260 is a wasteful number, since it uses less digits than its factorization.

51028730260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1192743 (or 1192741 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The spelling of 51028730260 in words is "fifty-one billion, twenty-eight million, seven hundred thirty thousand, two hundred sixty".