153257335540 has 24 divisors (see below), whose sum is σ = 322544669832. Its totient is φ = 61168788480.

The previous prime is 153257335519. The next prime is 153257335559. The reversal of 153257335540 is 45533752351.

It can be written as a sum of positive squares in 4 ways, for example, as 13557807844 + 139699527696 = 116438^2 + 373764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8374741 + ... + 8393020.

It is an arithmetic number, because the mean of its divisors is an integer number (13439361243).

Almost surely, 2^153257335540 is an apocalyptic number.

153257335540 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

153257335540 is an abundant number, since it is smaller than the sum of its proper divisors (169287334292).

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

153257335540 is a wasteful number, since it uses less digits than its factorization.

153257335540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16768227 (or 16768225 counting only the distinct ones).

The product of its (nonzero) digits is 945000, while the sum is 43.

The spelling of 153257335540 in words is "one hundred fifty-three billion, two hundred fifty-seven million, three hundred thirty-five thousand, five hundred forty".