2256153405434 has 16 divisors (see below), whose sum is σ = 3650911950888. Its totient is φ = 1041686810112.

The previous prime is 2256153405419. The next prime is 2256153405437. The reversal of 2256153405434 is 4345043516522.

It can be written as a sum of positive squares in 4 ways, for example, as 2235315039409 + 20838366025 = 1495097^2 + 144355^2 .

It is not an unprimeable number, because it can be changed into a prime (2256153405437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 626011907 + ... + 626015510.

Almost surely, 2^{2256153405434} is an apocalyptic number.

2256153405434 is a deficient number, since it is larger than the sum of its proper divisors (1394758545454).

2256153405434 is a wasteful number, since it uses less digits than its factorization.

2256153405434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1252027489.

The product of its (nonzero) digits is 1728000, while the sum is 44.

The spelling of 2256153405434 in words is "two trillion, two hundred fifty-six billion, one hundred fifty-three million, four hundred five thousand, four hundred thirty-four".