256943032 has 16 divisors (see below), whose sum is σ = 510107760. Its totient is φ = 120914304.

The previous prime is 256943021. The next prime is 256943033. The reversal of 256943032 is 230349652.

256943032 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 (34).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256943033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 944508 + ... + 944779.

It is an arithmetic number, because the mean of its divisors is an integer number (31881735).

Almost surely, 2^256943032 is an apocalyptic number.

It is an amenable number.

256943032 is a deficient number, since it is larger than the sum of its proper divisors (253164728).

256943032 is a wasteful number, since it uses less digits than its factorization.

256943032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1889310 (or 1889306 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 34.

The square root of 256943032 is about 16029.4426603048. The cubic root of 256943032 is about 635.7391372470.

The spelling of 256943032 in words is "two hundred fifty-six million, nine hundred forty-three thousand, thirty-two".