2567789256 has 64 divisors (see below), whose sum is σ = 6530529600. Its totient is φ = 841248000.

The previous prime is 2567789221. The next prime is 2567789339. The reversal of 2567789256 is 6529877652.

It is a junction number, because it is equal to n+sod(n) for n = 2567789196 and 2567789205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 333126 + ... + 340746.

It is an arithmetic number, because the mean of its divisors is an integer number (102039525).

Almost surely, 2^2567789256 is an apocalyptic number.

It is an amenable number.

2567789256 is an abundant number, since it is smaller than the sum of its proper divisors (3962740344).

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

2567789256 is a wasteful number, since it uses less digits than its factorization.

2567789256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7870 (or 7866 counting only the distinct ones).

The product of its digits is 12700800, while the sum is 57.

The square root of 2567789256 is about 50673.3584440582. The cubic root of 2567789256 is about 1369.3667942443.

The spelling of 2567789256 in words is "two billion, five hundred sixty-seven million, seven hundred eighty-nine thousand, two hundred fifty-six".