157575863280 has 320 divisors, whose sum is σ = 548369902080. Its totient is φ = 37100851200.

The previous prime is 157575863261. The next prime is 157575863317. The reversal of 157575863280 is 82368575751.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 157575863280.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 20543286 + ... + 20550954.

It is an arithmetic number, because the mean of its divisors is an integer number (1713655944).

Almost surely, 2^157575863280 is an apocalyptic number.

157575863280 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 157575863280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274184951040).

157575863280 is an abundant number, since it is smaller than the sum of its proper divisors (390794038800).

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

157575863280 is a wasteful number, since it uses less digits than its factorization.

157575863280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7920 (or 7914 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 57.

The spelling of 157575863280 in words is "one hundred fifty-seven billion, five hundred seventy-five million, eight hundred sixty-three thousand, two hundred eighty".