256433411 has 8 divisors (see below), whose sum is σ = 280840560. Its totient is φ = 232695072.

The previous prime is 256433407. The next prime is 256433477. The reversal of 256433411 is 114334652.

256433411 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 256433411 - 2² = 256433407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (256433011) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166400 + ... + 167933.

It is an arithmetic number, because the mean of its divisors is an integer number (35105070).

Almost surely, 2^256433411 is an apocalyptic number.

256433411 is a deficient number, since it is larger than the sum of its proper divisors (24407149).

256433411 is a wasteful number, since it uses less digits than its factorization.

256433411 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334405.

The product of its digits is 8640, while the sum is 29.

The square root of 256433411 is about 16013.5383660202. The cubic root of 256433411 is about 635.3185505684.

The spelling of 256433411 in words is "two hundred fifty-six million, four hundred thirty-three thousand, four hundred eleven".