52407178992 has 60 divisors (see below), whose sum is σ = 167619790000. Its totient is φ = 14973479424.

The previous prime is 52407178979. The next prime is 52407179017. The reversal of 52407178992 is 29987170425.

52407178992 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×52407178992² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 25994617 + ... + 25996632.

Almost surely, 2^52407178992 is an apocalyptic number.

It is an amenable number.

52407178992 is an abundant number, since it is smaller than the sum of its proper divisors (115212611008).

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

52407178992 is a wasteful number, since it uses less digits than its factorization.

52407178992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51991270 (or 51991261 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The spelling of 52407178992 in words is "fifty-two billion, four hundred seven million, one hundred seventy-eight thousand, nine hundred ninety-two".