256794476 has 6 divisors (see below), whose sum is σ = 449390340. Its totient is φ = 128397236.

The previous prime is 256794407. The next prime is 256794479. The reversal of 256794476 is 674497652.

It is a super-2 number, since 2×256794476² = 131886805808229152, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (256794479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32099306 + ... + 32099313.

It is an arithmetic number, because the mean of its divisors is an integer number (74898390).

Almost surely, 2^256794476 is an apocalyptic number.

It is an amenable number.

256794476 is a deficient number, since it is larger than the sum of its proper divisors (192595864).

256794476 is a wasteful number, since it uses less digits than its factorization.

256794476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64198623 (or 64198621 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 50.

The square root of 256794476 is about 16024.8081423772. The cubic root of 256794476 is about 635.6165924820.

The spelling of 256794476 in words is "two hundred fifty-six million, seven hundred ninety-four thousand, four hundred seventy-six".