256255104 has 96 divisors (see below), whose sum is σ = 791866800. Its totient is φ = 73210368.

The previous prime is 256255099. The next prime is 256255123. The reversal of 256255104 is 401552652.

It is a tau number, because it is divible by the number of its divisors (96).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12007 + ... + 25625.

Almost surely, 2^256255104 is an apocalyptic number.

256255104 is a gapful number since it is divisible by the number (24) 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 256255104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (395933400).

256255104 is an abundant number, since it is smaller than the sum of its proper divisors (535611696).

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

256255104 is a wasteful number, since it uses less digits than its factorization.

256255104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13650 (or 13631 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 30.

The square root of 256255104 is about 16007.9700149644. The cubic root of 256255104 is about 635.1712634543.

The spelling of 256255104 in words is "two hundred fifty-six million, two hundred fifty-five thousand, one hundred four".