256274229100 has 36 divisors (see below), whose sum is σ = 556148168128. Its totient is φ = 102503592000.

The previous prime is 256274229019. The next prime is 256274229121. The reversal of 256274229100 is 1922472652.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1856470 + ... + 1989730.

Almost surely, 2^256274229100 is an apocalyptic number.

256274229100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

256274229100 is an abundant number, since it is smaller than the sum of its proper divisors (299873939028).

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

256274229100 is a wasteful number, since it uses less digits than its factorization.

256274229100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152506 (or 152499 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 40.

The spelling of 256274229100 in words is "two hundred fifty-six billion, two hundred seventy-four million, two hundred twenty-nine thousand, one hundred".