51304660426 has 16 divisors (see below), whose sum is σ = 79452080640. Its totient is φ = 24820896240.

The previous prime is 51304660423. The next prime is 51304660447. The reversal of 51304660426 is 62406640315.

It is not an unprimeable number, because it can be changed into a prime (51304660423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 349155 + ... + 473833.

It is an arithmetic number, because the mean of its divisors is an integer number (4965755040).

Almost surely, 2^51304660426 is an apocalyptic number.

51304660426 is a deficient number, since it is larger than the sum of its proper divisors (28147420214).

51304660426 is a wasteful number, since it uses less digits than its factorization.

51304660426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131349.

The product of its (nonzero) digits is 103680, while the sum is 37.

The spelling of 51304660426 in words is "fifty-one billion, three hundred four million, six hundred sixty thousand, four hundred twenty-six".