2545664604 has 48 divisors (see below), whose sum is σ = 6791022336. Its totient is φ = 727056000.

The previous prime is 2545664599. The next prime is 2545664647. The reversal of 2545664604 is 4064665452.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

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, 336544 + ... + 344024.

It is an arithmetic number, because the mean of its divisors is an integer number (141479632).

Almost surely, 2^2545664604 is an apocalyptic number.

It is an amenable number.

2545664604 is an abundant number, since it is smaller than the sum of its proper divisors (4245357732).

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

2545664604 is a wasteful number, since it uses less digits than its factorization.

2545664604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11546 (or 11544 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 42.

The square root of 2545664604 is about 50454.5796137477. The cubic root of 2545664604 is about 1365.4225197124.

The spelling of 2545664604 in words is "two billion, five hundred forty-five million, six hundred sixty-four thousand, six hundred four".