256735052544562 has 32 divisors (see below), whose sum is σ = 425830384310400. Its totient is φ = 115469573184768.

The previous prime is 256735052544541. The next prime is 256735052544569. The reversal of 256735052544562 is 265445250537652.

It is a super-2 number, since 2×256735052544562² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 256735052544562.

It is not an unprimeable number, because it can be changed into a prime (256735052544569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132605112 + ... + 134527267.

It is an arithmetic number, because the mean of its divisors is an integer number (13307199509700).

Almost surely, 2^{256735052544562} is an apocalyptic number.

256735052544562 is a deficient number, since it is larger than the sum of its proper divisors (169095331765838).

256735052544562 is a wasteful number, since it uses less digits than its factorization.

256735052544562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267133650.

The product of its (nonzero) digits is 302400000, while the sum is 61.

The spelling of 256735052544562 in words is "two hundred fifty-six trillion, seven hundred thirty-five billion, fifty-two million, five hundred forty-four thousand, five hundred sixty-two".