51334032402 has 12 divisors (see below), whose sum is σ = 111223736910. Its totient is φ = 17111344128.

The previous prime is 51334032353. The next prime is 51334032427. The reversal of 51334032402 is 20423043315.

51334032402 is a `hidden beast` number, since 5 + 1 + 334 + 0 + 324 + 0 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51311763441 + 22268961 = 226521^2 + 4719^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1425945327 + ... + 1425945362.

Almost surely, 2^51334032402 is an apocalyptic number.

51334032402 is an abundant number, since it is smaller than the sum of its proper divisors (59889704508).

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

51334032402 is a wasteful number, since it uses less digits than its factorization.

51334032402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851890697 (or 2851890694 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

Adding to 51334032402 its reverse (20423043315), we get a palindrome (71757075717).

The spelling of 51334032402 in words is "fifty-one billion, three hundred thirty-four million, thirty-two thousand, four hundred two".