51232240003464 has 96 divisors (see below), whose sum is σ = 150430235319000. Its totient is φ = 15657969024000.

The previous prime is 51232240003367. The next prime is 51232240003537. The reversal of 51232240003464 is 46430004223215.

51232240003464 is a `hidden beast` number, since 51 + 23 + 2 + 240 + 0 + 0 + 346 + 4 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 35543178476100 + 15689061527364 = 5961810^2 + 3960942^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 183536037 + ... + 183814964.

Almost surely, 2^{51232240003464} is an apocalyptic number.

It is an amenable number.

51232240003464 is an abundant number, since it is smaller than the sum of its proper divisors (99197995315536).

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

51232240003464 is a wasteful number, since it uses less digits than its factorization.

51232240003464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367351175 (or 367351168 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 51232240003464 its reverse (46430004223215), we get a palindrome (97662244226679).

The spelling of 51232240003464 in words is "fifty-one trillion, two hundred thirty-two billion, two hundred forty million, three thousand, four hundred sixty-four".