253644514552 has 64 divisors (see below), whose sum is σ = 558825039360. Its totient is φ = 106405680000.

The previous prime is 253644514549. The next prime is 253644514561. The reversal of 253644514552 is 255415446352.

It is a congruent number.

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, 7972677 + ... + 8004427.

It is an arithmetic number, because the mean of its divisors is an integer number (8731641240).

Almost surely, 2^253644514552 is an apocalyptic number.

253644514552 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

253644514552 is an abundant number, since it is smaller than the sum of its proper divisors (305180524808).

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

253644514552 is a wasteful number, since it uses less digits than its factorization.

253644514552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38764 (or 38760 counting only the distinct ones).

The product of its digits is 2880000, while the sum is 46.

The spelling of 253644514552 in words is "two hundred fifty-three billion, six hundred forty-four million, five hundred fourteen thousand, five hundred fifty-two".