2544445968 has 40 divisors (see below), whose sum is σ = 6578299200. Its totient is φ = 847484544.

The previous prime is 2544445963. The next prime is 2544445979. The reversal of 2544445968 is 8695444452.

It is a self number, because there is not a number n which added to its sum of digits gives 2544445968.

It is not an unprimeable number, because it can be changed into a prime (2544445963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43218 + ... + 83406.

It is an arithmetic number, because the mean of its divisors is an integer number (164457480).

Almost surely, 2^2544445968 is an apocalyptic number.

It is an amenable number.

2544445968 is an abundant number, since it is smaller than the sum of its proper divisors (4033853232).

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

2544445968 is a wasteful number, since it uses less digits than its factorization.

2544445968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41519 (or 41513 counting only the distinct ones).

The product of its digits is 5529600, while the sum is 51.

The square root of 2544445968 is about 50442.5016033107. The cubic root of 2544445968 is about 1365.2046043040.

The spelling of 2544445968 in words is "two billion, five hundred forty-four million, four hundred forty-five thousand, nine hundred sixty-eight".