256433802 has 16 divisors (see below), whose sum is σ = 513763392. Its totient is φ = 85328640.

The previous prime is 256433783. The next prime is 256433839. The reversal of 256433802 is 208334652.

It is a happy 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, 33574 + ... + 40497.

It is an arithmetic number, because the mean of its divisors is an integer number (32110212).

Almost surely, 2^256433802 is an apocalyptic number.

256433802 is an abundant number, since it is smaller than the sum of its proper divisors (257329590).

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

256433802 is a wasteful number, since it uses less digits than its factorization.

256433802 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74653.

The product of its (nonzero) digits is 34560, while the sum is 33.

The square root of 256433802 is about 16013.5505744354. The cubic root of 256433802 is about 635.3188734715.

The spelling of 256433802 in words is "two hundred fifty-six million, four hundred thirty-three thousand, eight hundred two".