256900334468 has 24 divisors (see below), whose sum is σ = 459128318040. Its totient is φ = 125749395200.

The previous prime is 256900334459. The next prime is 256900334479. The reversal of 256900334468 is 864433009652.

It can be written as a sum of positive squares in 4 ways, for example, as 71097956164 + 185802378304 = 266642^2 + 431048^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3536471 + ... + 3608382.

It is an arithmetic number, because the mean of its divisors is an integer number (19130346585).

Almost surely, 2^256900334468 is an apocalyptic number.

It is an amenable number.

256900334468 is a deficient number, since it is larger than the sum of its proper divisors (202227983572).

256900334468 is a wasteful number, since it uses less digits than its factorization.

256900334468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7145047 (or 7145045 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 50.

The spelling of 256900334468 in words is "two hundred fifty-six billion, nine hundred million, three hundred thirty-four thousand, four hundred sixty-eight".