256342012076 has 12 divisors (see below), whose sum is σ = 454743706872. Its totient is φ = 126415238688.

The previous prime is 256342012067. The next prime is 256342012109. The reversal of 256342012076 is 670210243652.

It is a super-2 number, since 2×256342012076² (a number of 24 digits) contains 22 as substring.

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, 438941510 + ... + 438942093.

It is an arithmetic number, because the mean of its divisors is an integer number (37895308906).

Almost surely, 2^256342012076 is an apocalyptic number.

It is an amenable number.

256342012076 is a deficient number, since it is larger than the sum of its proper divisors (198401694796).

256342012076 is a wasteful number, since it uses less digits than its factorization.

256342012076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877883680 (or 877883678 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The spelling of 256342012076 in words is "two hundred fifty-six billion, three hundred forty-two million, twelve thousand, seventy-six".