256063392 has 108 divisors (see below), whose sum is σ = 788652774. Its totient is φ = 78773760.

The previous prime is 256063387. The next prime is 256063397. The reversal of 256063392 is 293360652.

256063392 is a `hidden beast` number, since 2 + 560 + 6 + 3 + 3 + 92 = 666.

256063392 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (256063387) and next prime (256063397).

It can be written as a sum of positive squares in 3 ways, for example, as 160883856 + 95179536 = 12684^2 + 9756^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (256063397) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 46042 + ... + 51302.

Almost surely, 2^256063392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 256063392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (394326387).

256063392 is an abundant number, since it is smaller than the sum of its proper divisors (532589382).

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

256063392 is a wasteful number, since it uses less digits than its factorization.

256063392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5303 (or 5279 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 36.

The square root of 256063392 is about 16001.9808773789. The cubic root of 256063392 is about 635.0128271532.

The spelling of 256063392 in words is "two hundred fifty-six million, sixty-three thousand, three hundred ninety-two".