815327922480 has 80 divisors (see below), whose sum is σ = 2660543761920. Its totient is φ = 205977579264.

The previous prime is 815327922469. The next prime is 815327922503. The reversal of 815327922480 is 84229723518.

815327922480 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (80).

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, 89395432 + ... + 89404551.

It is an arithmetic number, because the mean of its divisors is an integer number (33256797024).

Almost surely, 2^815327922480 is an apocalyptic number.

815327922480 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

815327922480 is an abundant number, since it is smaller than the sum of its proper divisors (1845215839440).

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

815327922480 is a wasteful number, since it uses less digits than its factorization.

815327922480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178800018 (or 178800012 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 51.

The spelling of 815327922480 in words is "eight hundred fifteen billion, three hundred twenty-seven million, nine hundred twenty-two thousand, four hundred eighty".