2315900880 has 480 divisors, whose sum is σ = 8715632640. Its totient is φ = 548674560.

The previous prime is 2315900813. The next prime is 2315900897. The reversal of 2315900880 is 880095132.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 18235377 + ... + 18235503.

It is an arithmetic number, because the mean of its divisors is an integer number (18157568).

Almost surely, 2^2315900880 is an apocalyptic number.

2315900880 is a gapful number since it is divisible by the number (20) 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 2315900880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4357816320).

2315900880 is an abundant number, since it is smaller than the sum of its proper divisors (6399731760).

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

2315900880 is a wasteful number, since it uses less digits than its factorization.

2315900880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239 (or 230 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 2315900880 is about 48123.8078293894. The cubic root of 2315900880 is about 1323.0410601490.

The spelling of 2315900880 in words is "two billion, three hundred fifteen million, nine hundred thousand, eight hundred eighty".