157023707520 has 128 divisors (see below), whose sum is σ = 500660455680. Its totient is φ = 41860659200.

The previous prime is 157023707431. The next prime is 157023707549. The reversal of 157023707520 is 25707320751.

It is a tau number, because it is divible by the number of its divisors (128).

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, 7844725 + ... + 7864715.

It is an arithmetic number, because the mean of its divisors is an integer number (3911409810).

Almost surely, 2^157023707520 is an apocalyptic number.

157023707520 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 157023707520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250330227840).

157023707520 is an abundant number, since it is smaller than the sum of its proper divisors (343636748160).

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

157023707520 is a wasteful number, since it uses less digits than its factorization.

157023707520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24104 (or 24092 counting only the distinct ones).

The product of its (nonzero) digits is 102900, while the sum is 39.

The spelling of 157023707520 in words is "one hundred fifty-seven billion, twenty-three million, seven hundred seven thousand, five hundred twenty".