256741726074 has 32 divisors (see below), whose sum is σ = 515084386176. Its totient is φ = 85314170880.

The previous prime is 256741726069. The next prime is 256741726091. The reversal of 256741726074 is 470627147652.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2436774 + ... + 2539950.

It is an arithmetic number, because the mean of its divisors is an integer number (16096387068).

Almost surely, 2^256741726074 is an apocalyptic number.

256741726074 is an abundant number, since it is smaller than the sum of its proper divisors (258342660102).

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

256741726074 is a wasteful number, since it uses less digits than its factorization.

256741726074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104470.

The product of its (nonzero) digits is 3951360, while the sum is 51.

The spelling of 256741726074 in words is "two hundred fifty-six billion, seven hundred forty-one million, seven hundred twenty-six thousand, seventy-four".