51360405402 has 16 divisors (see below), whose sum is σ = 103091647392. Its totient is φ = 17058329040.

The previous prime is 51360405391. The next prime is 51360405443. The reversal of 51360405402 is 20450406315.

It is a self number, because there is not a number n which added to its sum of digits gives 51360405402.

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, 15449724 + ... + 15453047.

It is an arithmetic number, because the mean of its divisors is an integer number (6443227962).

Almost surely, 2^51360405402 is an apocalyptic number.

51360405402 is an abundant number, since it is smaller than the sum of its proper divisors (51731241990).

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

51360405402 is a wasteful number, since it uses less digits than its factorization.

51360405402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30903053.

The product of its (nonzero) digits is 14400, while the sum is 30.

The spelling of 51360405402 in words is "fifty-one billion, three hundred sixty million, four hundred five thousand, four hundred two".