2044919925 has 30 divisors (see below), whose sum is σ = 3787902338. Its totient is φ = 1090622880.

The previous prime is 2044919909. The next prime is 2044919971. The reversal of 2044919925 is 5299194402.

It can be written as a sum of positive squares in 3 ways, for example, as 177902244 + 1867017681 = 13338^2 + 43209^2 .

It is not a de Polignac number, because 2044919925 - 2⁴ = 2044919909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 502894 + ... + 506943.

Almost surely, 2^2044919925 is an apocalyptic number.

2044919925 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2044919925 is a deficient number, since it is larger than the sum of its proper divisors (1742982413).

2044919925 is a wasteful number, since it uses less digits than its factorization.

2044919925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1009859 (or 1009845 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The square root of 2044919925 is about 45220.7908489005. The cubic root of 2044919925 is about 1269.2838926907.

The spelling of 2044919925 in words is "two billion, forty-four million, nine hundred nineteen thousand, nine hundred twenty-five".