256043948 has 6 divisors (see below), whose sum is σ = 448076916. Its totient is φ = 128021972.

The previous prime is 256043941. The next prime is 256043993. The reversal of 256043948 is 849340652.

It is not an unprimeable number, because it can be changed into a prime (256043941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32005490 + ... + 32005497.

It is an arithmetic number, because the mean of its divisors is an integer number (74679486).

Almost surely, 2^256043948 is an apocalyptic number.

It is an amenable number.

256043948 is a deficient number, since it is larger than the sum of its proper divisors (192032968).

256043948 is a wasteful number, since it uses less digits than its factorization.

256043948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64010991 (or 64010989 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

The square root of 256043948 is about 16001.3733160626. The cubic root of 256043948 is about 634.9967536569.

The spelling of 256043948 in words is "two hundred fifty-six million, forty-three thousand, nine hundred forty-eight".