2256520201434 has 24 divisors (see below), whose sum is σ = 4889503494720. Its totient is φ = 752115494088.

The previous prime is 2256520201423. The next prime is 2256520201543. The reversal of 2256520201434 is 4341020256522.

2256520201434 is a `hidden beast` number, since 22 + 56 + 520 + 20 + 1 + 43 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4584904 + ... + 5053155.

It is an arithmetic number, because the mean of its divisors is an integer number (203729312280).

Almost surely, 2^{2256520201434} is an apocalyptic number.

2256520201434 is an abundant number, since it is smaller than the sum of its proper divisors (2632983293286).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2256520201434 is a wasteful number, since it uses less digits than its factorization.

2256520201434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9651074 (or 9651071 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 2256520201434 its reverse (4341020256522), we get a palindrome (6597540457956).

The spelling of 2256520201434 in words is "two trillion, two hundred fifty-six billion, five hundred twenty million, two hundred one thousand, four hundred thirty-four".