253038574578 has 96 divisors (see below), whose sum is σ = 554529590784. Its totient is φ = 76903077888.

The previous prime is 253038574571. The next prime is 253038574597. The reversal of 253038574578 is 875475830352.

It is not an unprimeable number, because it can be changed into a prime (253038574571) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 14940351 + ... + 14957277.

It is an arithmetic number, because the mean of its divisors is an integer number (5776349904).

Almost surely, 2^253038574578 is an apocalyptic number.

253038574578 is an abundant number, since it is smaller than the sum of its proper divisors (301491016206).

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

253038574578 is a wasteful number, since it uses less digits than its factorization.

253038574578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17236 (or 17219 counting only the distinct ones).

The product of its (nonzero) digits is 28224000, while the sum is 57.

The spelling of 253038574578 in words is "two hundred fifty-three billion, thirty-eight million, five hundred seventy-four thousand, five hundred seventy-eight".