157639651948280 has 64 divisors (see below), whose sum is σ = 375599740703040. Its totient is φ = 59339351898112.

The previous prime is 157639651948279. The next prime is 157639651948391. The reversal of 157639651948280 is 82849156936751.

It is a junction number, because it is equal to n+sod(n) for n = 157639651948198 and 157639651948207.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8833907 + ... + 19832226.

It is an arithmetic number, because the mean of its divisors is an integer number (5868745948485).

It is a 1-persistent number, because it is pandigital, but 2⋅157639651948280 = 315279303896560 is not.

Almost surely, 2^{157639651948280} is an apocalyptic number.

157639651948280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

157639651948280 is an abundant number, since it is smaller than the sum of its proper divisors (217960088754760).

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

157639651948280 is a wasteful number, since it uses less digits than its factorization.

157639651948280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28674248 (or 28674244 counting only the distinct ones).

The product of its (nonzero) digits is 783820800, while the sum is 74.

The spelling of 157639651948280 in words is "one hundred fifty-seven trillion, six hundred thirty-nine billion, six hundred fifty-one million, nine hundred forty-eight thousand, two hundred eighty".