52374878640 has 960 divisors, whose sum is σ = 224625623040. Its totient is φ = 11074268160.

The previous prime is 52374878627. The next prime is 52374878681. The reversal of 52374878640 is 4687847325.

52374878640 is a `hidden beast` number, since 52 + 37 + 487 + 86 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 121519225 + ... + 121519655.

It is an arithmetic number, because the mean of its divisors is an integer number (233985024).

Almost surely, 2^52374878640 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52374878640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112312811520).

52374878640 is an abundant number, since it is smaller than the sum of its proper divisors (172250744400).

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

52374878640 is a wasteful number, since it uses less digits than its factorization.

52374878640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532 (or 514 counting only the distinct ones).

The product of its (nonzero) digits is 9031680, while the sum is 54.

The spelling of 52374878640 in words is "fifty-two billion, three hundred seventy-four million, eight hundred seventy-eight thousand, six hundred forty".