256230516 has 12 divisors (see below), whose sum is σ = 597871232. Its totient is φ = 85410168.

The previous prime is 256230509. The next prime is 256230517. The reversal of 256230516 is 615032652.

256230516 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256230517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10676260 + ... + 10676283.

Almost surely, 2^256230516 is an apocalyptic number.

It is an amenable number.

256230516 is an abundant number, since it is smaller than the sum of its proper divisors (341640716).

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

256230516 is a wasteful number, since it uses less digits than its factorization.

256230516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21352550 (or 21352548 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 256230516 is about 16007.2020040980. The cubic root of 256230516 is about 635.1509476436.

The spelling of 256230516 in words is "two hundred fifty-six million, two hundred thirty thousand, five hundred sixteen".