2564265772 has 12 divisors (see below), whose sum is σ = 4488213856. Its totient is φ = 1281918960.

The previous prime is 2564265761. The next prime is 2564265793. The reversal of 2564265772 is 2775624652.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24804 + ... + 75787.

Almost surely, 2^2564265772 is an apocalyptic number.

It is an amenable number.

2564265772 is a deficient number, since it is larger than the sum of its proper divisors (1923948084).

2564265772 is a wasteful number, since it uses less digits than its factorization.

2564265772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106968 (or 106966 counting only the distinct ones).

The product of its digits is 1411200, while the sum is 46.

The square root of 2564265772 is about 50638.5798774018. The cubic root of 2564265772 is about 1368.7401656418.

The spelling of 2564265772 in words is "two billion, five hundred sixty-four million, two hundred sixty-five thousand, seven hundred seventy-two".