256229610 has 128 divisors (see below), whose sum is σ = 801529344. Its totient is φ = 50872320.

The previous prime is 256229579. The next prime is 256229629. The reversal of 256229610 is 16922652.

256229610 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×256229610² = 131307226081504200, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 43650 + ... + 49170.

It is an arithmetic number, because the mean of its divisors is an integer number (6261948).

Almost surely, 2^256229610 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256229610, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (400764672).

256229610 is an abundant number, since it is smaller than the sum of its proper divisors (545299734).

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

256229610 is a wasteful number, since it uses less digits than its factorization.

256229610 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5568.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 256229610 is about 16007.1737043115. The cubic root of 256229610 is about 635.1501990372.

The spelling of 256229610 in words is "two hundred fifty-six million, two hundred twenty-nine thousand, six hundred ten".