51626261322 has 12 divisors (see below), whose sum is σ = 111856899570. Its totient is φ = 17208753768.

The previous prime is 51626261299. The next prime is 51626261329. The reversal of 51626261322 is 22316262615.

51626261322 is a `hidden beast` number, since 5 + 1 + 6 + 2 + 626 + 1 + 3 + 22 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51551248401 + 75012921 = 227049^2 + 8661^2 .

It is not an unprimeable number, because it can be changed into a prime (51626261329) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1434062797 + ... + 1434062832.

Almost surely, 2^51626261322 is an apocalyptic number.

51626261322 is an abundant number, since it is smaller than the sum of its proper divisors (60230638248).

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

51626261322 is a wasteful number, since it uses less digits than its factorization.

51626261322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868125637 (or 2868125634 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The spelling of 51626261322 in words is "fifty-one billion, six hundred twenty-six million, two hundred sixty-one thousand, three hundred twenty-two".