256441185451316 has 24 divisors (see below), whose sum is σ = 449200688655264. Its totient is φ = 128098166637600.

The previous prime is 256441185450979. The next prime is 256441185451421. The reversal of 256441185451316 is 613154581144652.

It is a super-2 number, since 2×256441185451316² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

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, 24875051 + ... + 33640013.

It is an arithmetic number, because the mean of its divisors is an integer number (18716695360636).

Almost surely, 2^{256441185451316} is an apocalyptic number.

It is an amenable number.

256441185451316 is a deficient number, since it is larger than the sum of its proper divisors (192759503203948).

256441185451316 is a wasteful number, since it uses less digits than its factorization.

256441185451316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8771951 (or 8771949 counting only the distinct ones).

The product of its digits is 13824000, while the sum is 56.

The spelling of 256441185451316 in words is "two hundred fifty-six trillion, four hundred forty-one billion, one hundred eighty-five million, four hundred fifty-one thousand, three hundred sixteen".