256432124 has 48 divisors (see below), whose sum is σ = 501559296. Its totient is φ = 113918400.

The previous prime is 256432117. The next prime is 256432133. The reversal of 256432124 is 421234652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 436559 + ... + 437145.

It is an arithmetic number, because the mean of its divisors is an integer number (10449152).

Almost surely, 2^256432124 is an apocalyptic number.

It is an amenable number.

256432124 is a deficient number, since it is larger than the sum of its proper divisors (245127172).

256432124 is a wasteful number, since it uses less digits than its factorization.

256432124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906 (or 904 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 256432124 is about 16013.4981812220. The cubic root of 256432124 is about 635.3174877111.

Adding to 256432124 its reverse (421234652), we get a palindrome (677666776).

The spelling of 256432124 in words is "two hundred fifty-six million, four hundred thirty-two thousand, one hundred twenty-four".