2257634636 has 12 divisors (see below), whose sum is σ = 3972933720. Its totient is φ = 1122510720.

The previous prime is 2257634581. The next prime is 2257634689. The reversal of 2257634636 is 6364367522.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1575845 + ... + 1577276.

It is an arithmetic number, because the mean of its divisors is an integer number (331077810).

Almost surely, 2^2257634636 is an apocalyptic number.

It is an amenable number.

2257634636 is a deficient number, since it is larger than the sum of its proper divisors (1715299084).

2257634636 is a wasteful number, since it uses less digits than its factorization.

2257634636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3153304 (or 3153302 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 44.

The square root of 2257634636 is about 47514.5728803280. The cubic root of 2257634636 is about 1311.8511281050.

The spelling of 2257634636 in words is "two billion, two hundred fifty-seven million, six hundred thirty-four thousand, six hundred thirty-six".