256303303541492 has 6 divisors (see below), whose sum is σ = 448530781197618. Its totient is φ = 128151651770744.

The previous prime is 256303303541491. The next prime is 256303303541591. The reversal of 256303303541492 is 294145303303652.

256303303541492 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 253745338336996 + 2557965204496 = 15929386^2 + 1599364^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 256303303541492.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (256303303541491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32037912942683 + ... + 32037912942690.

It is an arithmetic number, because the mean of its divisors is an integer number (74755130199603).

Almost surely, 2^{256303303541492} is an apocalyptic number.

It is an amenable number.

256303303541492 is a deficient number, since it is larger than the sum of its proper divisors (192227477656126).

256303303541492 is a wasteful number, since it uses less digits than its factorization.

256303303541492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64075825885377 (or 64075825885375 counting only the distinct ones).

The product of its (nonzero) digits is 6998400, while the sum is 50.

The spelling of 256303303541492 in words is "two hundred fifty-six trillion, three hundred three billion, three hundred three million, five hundred forty-one thousand, four hundred ninety-two".