2645344608 has 24 divisors (see below), whose sum is σ = 6944029848. Its totient is φ = 881781504.

The previous prime is 2645344601. The next prime is 2645344633. The reversal of 2645344608 is 8064435462.

It is a tau number, because it is divible by the number of its divisors (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2645344608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2645344601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13777741 + ... + 13777932.

It is an arithmetic number, because the mean of its divisors is an integer number (289334577).

Almost surely, 2^2645344608 is an apocalyptic number.

It is an amenable number.

2645344608 is an abundant number, since it is smaller than the sum of its proper divisors (4298685240).

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

2645344608 is a wasteful number, since it uses less digits than its factorization.

2645344608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27555686 (or 27555678 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 42.

The square root of 2645344608 is about 51432.9136643064. The cubic root of 2645344608 is about 1383.0166815489.

The spelling of 2645344608 in words is "two billion, six hundred forty-five million, three hundred forty-four thousand, six hundred eight".