2565046244 has 12 divisors (see below), whose sum is σ = 4584338304. Its totient is φ = 1255235304.

The previous prime is 2565046243. The next prime is 2565046301. The reversal of 2565046244 is 4426405652.

It is a junction number, because it is equal to n+sod(n) for n = 2565046198 and 2565046207.

It is not an unprimeable number, because it can be changed into a prime (2565046243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6821744 + ... + 6822119.

It is an arithmetic number, because the mean of its divisors is an integer number (382028192).

Almost surely, 2^2565046244 is an apocalyptic number.

It is an amenable number.

2565046244 is a deficient number, since it is larger than the sum of its proper divisors (2019292060).

2565046244 is a wasteful number, since it uses less digits than its factorization.

2565046244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13643914 (or 13643912 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 38.

The square root of 2565046244 is about 50646.2855893697. The cubic root of 2565046244 is about 1368.8790169553.

The spelling of 2565046244 in words is "two billion, five hundred sixty-five million, forty-six thousand, two hundred forty-four".