51642062404362 has 12 divisors (see below), whose sum is σ = 111891135209490. Its totient is φ = 17214020801448.

The previous prime is 51642062404349. The next prime is 51642062404409. The reversal of 51642062404362 is 26340426024615.

It is a happy number.

51642062404362 is a `hidden beast` number, since 5 + 1 + 6 + 4 + 206 + 2 + 4 + 0 + 436 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 46267598516841 + 5374463887521 = 6802029^2 + 2318289^2 .

It is a super-2 number, since 2×51642062404362² (a number of 28 digits) contains 22 as substring.

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, 1434501733437 + ... + 1434501733472.

Almost surely, 2^{51642062404362} is an apocalyptic number.

51642062404362 is an abundant number, since it is smaller than the sum of its proper divisors (60249072805128).

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

51642062404362 is a wasteful number, since it uses less digits than its factorization.

51642062404362 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2869003466917 (or 2869003466914 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 45.

Adding to 51642062404362 its reverse (26340426024615), we get a palindrome (77982488428977).

The spelling of 51642062404362 in words is "fifty-one trillion, six hundred forty-two billion, sixty-two million, four hundred four thousand, three hundred sixty-two".