252544592394 has 48 divisors (see below), whose sum is σ = 572651919840. Its totient is φ = 83409205680.

The previous prime is 252544592383. The next prime is 252544592413. The reversal of 252544592394 is 493295445252.

252544592394 is a `hidden beast` number, since 2 + 5 + 2 + 5 + 44 + 592 + 3 + 9 + 4 = 666.

It is a super-2 number, since 2×252544592394² (a number of 24 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 252544592394.

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, 2330692 + ... + 2436639.

It is an arithmetic number, because the mean of its divisors is an integer number (11930248330).

Almost surely, 2^252544592394 is an apocalyptic number.

252544592394 is an abundant number, since it is smaller than the sum of its proper divisors (320107327446).

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

252544592394 is a wasteful number, since it uses less digits than its factorization.

252544592394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4767457 (or 4767445 counting only the distinct ones).

The product of its digits is 15552000, while the sum is 54.

The spelling of 252544592394 in words is "two hundred fifty-two billion, five hundred forty-four million, five hundred ninety-two thousand, three hundred ninety-four".