2545564624 has 40 divisors (see below), whose sum is σ = 4973626112.
Its totient is φ = 1262096640.
The previous prime is 2545564579. The next prime is 2545564627. The reversal of 2545564624 is 4264655452.
It is a happy number.
It is a super-2 number, since 2×25455646242 = 12959798509920522752, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2545564627) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1008484 + ... + 1011004.
Almost surely, 22545564624 is an apocalyptic number.
It is an amenable number.
2545564624 is a deficient number, since it is larger than the sum of its proper divisors (2428061488).
2545564624 is a wasteful number, since it uses less digits than its factorization.
2545564624 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3035 (or 3029 counting only the distinct ones).
The product of its digits is 1152000, while the sum is 43.
The square root of 2545564624 is about 50453.5888118972.
The cubic root of 2545564624 is about 1365.4046439966.
The spelling of 2545564624 in words is "two billion, five hundred forty-five million, five hundred sixty-four thousand, six hundred twenty-four".