256733406160412 has 12 divisors (see below), whose sum is σ = 450142511378616. Its totient is φ = 128121260052240.

The previous prime is 256733406160367. The next prime is 256733406160417. The reversal of 256733406160412 is 214061604337652.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256733406160417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61360754639 + ... + 61360758822.

It is an arithmetic number, because the mean of its divisors is an integer number (37511875948218).

Almost surely, 2^{256733406160412} is an apocalyptic number.

It is an amenable number.

256733406160412 is a deficient number, since it is larger than the sum of its proper divisors (193409105218204).

256733406160412 is a wasteful number, since it uses less digits than its factorization.

256733406160412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122721513988 (or 122721513986 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 50.

The spelling of 256733406160412 in words is "two hundred fifty-six trillion, seven hundred thirty-three billion, four hundred six million, one hundred sixty thousand, four hundred twelve".