256401105614 has 16 divisors (see below), whose sum is σ = 387077745600. Its totient is φ = 127376477280.

The previous prime is 256401105613. The next prime is 256401105641. The reversal of 256401105614 is 416501104652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256401105613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78212 + ... + 720360.

It is an arithmetic number, because the mean of its divisors is an integer number (24192359100).

Almost surely, 2^256401105614 is an apocalyptic number.

256401105614 is a deficient number, since it is larger than the sum of its proper divisors (130676639986).

256401105614 is a wasteful number, since it uses less digits than its factorization.

256401105614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643435.

The product of its (nonzero) digits is 28800, while the sum is 35.

The spelling of 256401105614 in words is "two hundred fifty-six billion, four hundred one million, one hundred five thousand, six hundred fourteen".