2565927156 has 48 divisors (see below), whose sum is σ = 6451300800. Its totient is φ = 789076992.

The previous prime is 2565927139. The next prime is 2565927157. The reversal of 2565927156 is 6517295652.

2565927156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2565927157) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380260 + ... + 386948.

It is an arithmetic number, because the mean of its divisors is an integer number (134402100).

Almost surely, 2^2565927156 is an apocalyptic number.

2565927156 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2565927156 is an abundant number, since it is smaller than the sum of its proper divisors (3885373644).

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

2565927156 is a wasteful number, since it uses less digits than its factorization.

2565927156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9168 (or 9166 counting only the distinct ones).

The product of its digits is 1134000, while the sum is 48.

The square root of 2565927156 is about 50654.9815516697. The cubic root of 2565927156 is about 1369.0357034009.

The spelling of 2565927156 in words is "two billion, five hundred sixty-five million, nine hundred twenty-seven thousand, one hundred fifty-six".