256551150 has 24 divisors (see below), whose sum is σ = 636247224. Its totient is φ = 68413600.

The previous prime is 256551121. The next prime is 256551151. The reversal of 256551150 is 51155652.

256551150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256551151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 855021 + ... + 855320.

It is an arithmetic number, because the mean of its divisors is an integer number (26510301).

Almost surely, 2^256551150 is an apocalyptic number.

256551150 is an abundant number, since it is smaller than the sum of its proper divisors (379696074).

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

256551150 is a wasteful number, since it uses less digits than its factorization.

256551150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1710356 (or 1710351 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 30.

The square root of 256551150 is about 16017.2141772532. The cubic root of 256551150 is about 635.4157692125.

The spelling of 256551150 in words is "two hundred fifty-six million, five hundred fifty-one thousand, one hundred fifty".