256414900 has 36 divisors (see below), whose sum is σ = 635910688. Its totient is φ = 87913440.

The previous prime is 256414889. The next prime is 256414913. The reversal of 256414900 is 9414652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182454 + ... + 183853.

Almost surely, 2^256414900 is an apocalyptic number.

256414900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256414900 is an abundant number, since it is smaller than the sum of its proper divisors (379495788).

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

256414900 is a wasteful number, since it uses less digits than its factorization.

256414900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366328 (or 366321 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 256414900 is about 16012.9603758955. The cubic root of 256414900 is about 635.3032630848.

The spelling of 256414900 in words is "two hundred fifty-six million, four hundred fourteen thousand, nine hundred".