256790942 has 8 divisors (see below), whose sum is σ = 385992000. Its totient is φ = 128126944.

The previous prime is 256790923. The next prime is 256790953. The reversal of 256790942 is 249097652.

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

It is a junction number, because it is equal to n+sod(n) for n = 256790893 and 256790902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133067 + ... + 134982.

It is an arithmetic number, because the mean of its divisors is an integer number (48249000).

Almost surely, 2^256790942 is an apocalyptic number.

256790942 is a deficient number, since it is larger than the sum of its proper divisors (129201058).

256790942 is a wasteful number, since it uses less digits than its factorization.

256790942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268530.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 256790942 is about 16024.6978754671. The cubic root of 256790942 is about 635.6136766881.

The spelling of 256790942 in words is "two hundred fifty-six million, seven hundred ninety thousand, nine hundred forty-two".