256274451300 has 144 divisors (see below), whose sum is σ = 865444608000. Its totient is φ = 57330675840.

The previous prime is 256274451241. The next prime is 256274451311. The reversal of 256274451300 is 3154472652.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1199550 + ... + 1396949.

It is an arithmetic number, because the mean of its divisors is an integer number (6010032000).

Almost surely, 2^256274451300 is an apocalyptic number.

256274451300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256274451300 is an abundant number, since it is smaller than the sum of its proper divisors (609170156700).

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

256274451300 is a wasteful number, since it uses less digits than its factorization.

256274451300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596570 (or 2596563 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 256274451300 in words is "two hundred fifty-six billion, two hundred seventy-four million, four hundred fifty-one thousand, three hundred".