256476576 has 24 divisors (see below), whose sum is σ = 673251264. Its totient is φ = 85492160.

The previous prime is 256476559. The next prime is 256476587. The reversal of 256476576 is 675674652.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 1335720 + ... + 1335911.

It is an arithmetic number, because the mean of its divisors is an integer number (28052136).

Almost surely, 2^256476576 is an apocalyptic number.

It is an amenable number.

256476576 is an abundant number, since it is smaller than the sum of its proper divisors (416774688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

256476576 is a wasteful number, since it uses less digits than its factorization.

256476576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2671644 (or 2671636 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 48.

The square root of 256476576 is about 16014.8860751490. The cubic root of 256476576 is about 635.3541959322.

It can be divided in two parts, 25647 and 6576, that added together give a palindrome (32223).

The spelling of 256476576 in words is "two hundred fifty-six million, four hundred seventy-six thousand, five hundred seventy-six".