2562457812 has 24 divisors (see below), whose sum is σ = 5979892800. Its totient is φ = 854034816.

The previous prime is 2562457801. The next prime is 2562457831. The reversal of 2562457812 is 2187542652.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 146764 + ... + 163292.

It is an arithmetic number, because the mean of its divisors is an integer number (249162200).

Almost surely, 2^2562457812 is an apocalyptic number.

It is an amenable number.

2562457812 is an abundant number, since it is smaller than the sum of its proper divisors (3417434988).

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

2562457812 is a wasteful number, since it uses less digits than its factorization.

2562457812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29455 (or 29453 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The square root of 2562457812 is about 50620.7251232141. The cubic root of 2562457812 is about 1368.4184089150.

It can be divided in two parts, 25624 and 57812, that added together give a triangular number (83436 = T₄₀₈).

The spelling of 2562457812 in words is "two billion, five hundred sixty-two million, four hundred fifty-seven thousand, eight hundred twelve".