52694990567440 has 80 divisors (see below), whose sum is σ = 131941341338688. Its totient is φ = 19456436141568.

The previous prime is 52694990567423. The next prime is 52694990567459. The reversal of 52694990567440 is 4476509949625.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 52694990567440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194913799 + ... + 195183961.

Almost surely, 2^{52694990567440} is an apocalyptic number.

It is an amenable number.

52694990567440 is an abundant number, since it is smaller than the sum of its proper divisors (79246350771248).

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

52694990567440 is a wasteful number, since it uses less digits than its factorization.

52694990567440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457736 (or 457730 counting only the distinct ones).

The product of its (nonzero) digits is 587865600, while the sum is 70.

The spelling of 52694990567440 in words is "fifty-two trillion, six hundred ninety-four billion, nine hundred ninety million, five hundred sixty-seven thousand, four hundred forty".