256029880 has 32 divisors (see below), whose sum is σ = 577141200. Its totient is φ = 102221056.

The previous prime is 256029797. The next prime is 256029901. The reversal of 256029880 is 88920652.

256029880 is digitally balanced in base 2, 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 (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16836 + ... + 28204.

Almost surely, 2^256029880 is an apocalyptic number.

256029880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256029880 is an abundant number, since it is smaller than the sum of its proper divisors (321111320).

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

256029880 is a wasteful number, since it uses less digits than its factorization.

256029880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11943 (or 11939 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 256029880 is about 16000.9337227551. The cubic root of 256029880 is about 634.9851237551.

The spelling of 256029880 in words is "two hundred fifty-six million, twenty-nine thousand, eight hundred eighty".