255774364634 has 16 divisors (see below), whose sum is σ = 392630369472. Its totient is φ = 124898278848.

The previous prime is 255774364613. The next prime is 255774364639. The reversal of 255774364634 is 436463477552.

It is a self number, because there is not a number n which added to its sum of digits gives 255774364634.

It is not an unprimeable number, because it can be changed into a prime (255774364639) 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, 573362 + ... + 916674.

It is an arithmetic number, because the mean of its divisors is an integer number (24539398092).

Almost surely, 2^255774364634 is an apocalyptic number.

255774364634 is a deficient number, since it is larger than the sum of its proper divisors (136856004838).

255774364634 is a wasteful number, since it uses less digits than its factorization.

255774364634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352021.

The product of its digits is 50803200, while the sum is 56.

The spelling of 255774364634 in words is "two hundred fifty-five billion, seven hundred seventy-four million, three hundred sixty-four thousand, six hundred thirty-four".