157306038520 has 64 divisors (see below), whose sum is σ = 359920998720. Its totient is φ = 61864326144.

The previous prime is 157306038493. The next prime is 157306038583. The reversal of 157306038520 is 25830603751.

It is a Harshad number since it is a multiple of its sum of digits (40).

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, 840669 + ... + 1010611.

It is an arithmetic number, because the mean of its divisors is an integer number (5623765605).

Almost surely, 2^157306038520 is an apocalyptic number.

157306038520 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 157306038520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (179960499360).

157306038520 is an abundant number, since it is smaller than the sum of its proper divisors (202614960200).

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

157306038520 is a wasteful number, since it uses less digits than its factorization.

157306038520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170344 (or 170340 counting only the distinct ones).

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 157306038520 in words is "one hundred fifty-seven billion, three hundred six million, thirty-eight thousand, five hundred twenty".