2505744944 has 20 divisors (see below), whose sum is σ = 4891945080. Its totient is φ = 1243307520.

The previous prime is 2505744919. The next prime is 2505744979. The reversal of 2505744944 is 4494475052.

It is a hoax number, since the sum of its digits (44) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2505744895 and 2505744904.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 595649 + ... + 599840.

It is an arithmetic number, because the mean of its divisors is an integer number (244597254).

Almost surely, 2^2505744944 is an apocalyptic number.

It is an amenable number.

2505744944 is a deficient number, since it is larger than the sum of its proper divisors (2386200136).

2505744944 is a wasteful number, since it uses less digits than its factorization.

2505744944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1195628 (or 1195622 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 44.

The square root of 2505744944 is about 50057.4164734857. The cubic root of 2505744944 is about 1358.2476247910.

The spelling of 2505744944 in words is "two billion, five hundred five million, seven hundred forty-four thousand, nine hundred forty-four".