915632256 has 256 divisors, whose sum is σ = 3066854400. Its totient is φ = 235130880.

The previous prime is 915632209. The next prime is 915632261. The reversal of 915632256 is 652236519.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5115175 + ... + 5115353.

It is an arithmetic number, because the mean of its divisors is an integer number (11979900).

Almost surely, 2^915632256 is an apocalyptic number.

915632256 is a gapful number since it is divisible by the number (96) 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 915632256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1533427200).

915632256 is an abundant number, since it is smaller than the sum of its proper divisors (2151222144).

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

915632256 is a wasteful number, since it uses less digits than its factorization.

915632256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 375 counting only the distinct ones).

The product of its digits is 97200, while the sum is 39.

The square root of 915632256 is about 30259.4159890769. The cubic root of 915632256 is about 971.0472467423.

The spelling of 915632256 in words is "nine hundred fifteen million, six hundred thirty-two thousand, two hundred fifty-six".