2252635643144 has 16 divisors (see below), whose sum is σ = 4223966309820. Its totient is φ = 1126244627200.

The previous prime is 2252635643047. The next prime is 2252635643173. The reversal of 2252635643144 is 4413465362522.

It can be written as a sum of positive squares in 2 ways, for example, as 2251470240100 + 1165403044 = 1500490^2 + 34138^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9018389 + ... + 9264804.

Almost surely, 2^{2252635643144} is an apocalyptic number.

It is an amenable number.

2252635643144 is a deficient number, since it is larger than the sum of its proper divisors (1971330666676).

2252635643144 is a wasteful number, since it uses less digits than its factorization.

2252635643144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18298600 (or 18298596 counting only the distinct ones).

The product of its digits is 4147200, while the sum is 47.

The spelling of 2252635643144 in words is "two trillion, two hundred fifty-two billion, six hundred thirty-five million, six hundred forty-three thousand, one hundred forty-four".