2045304444 has 48 divisors (see below), whose sum is σ = 4872930048. Its totient is φ = 667527168.

The previous prime is 2045304433. The next prime is 2045304451. The reversal of 2045304444 is 4444035402.

It is a super-2 number, since 2×2045304444² = 8366540537292298272, which contains 22 as substring.

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, 126652 + ... + 141884.

It is an arithmetic number, because the mean of its divisors is an integer number (101519376).

Almost surely, 2^2045304444 is an apocalyptic number.

It is an amenable number.

2045304444 is an abundant number, since it is smaller than the sum of its proper divisors (2827625604).

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

2045304444 is a wasteful number, since it uses less digits than its factorization.

2045304444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15474 (or 15472 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 2045304444 is about 45225.0422222025. The cubic root of 2045304444 is about 1269.3634448171.

Adding to 2045304444 its reverse (4444035402), we get a palindrome (6489339846).

The spelling of 2045304444 in words is "two billion, forty-five million, three hundred four thousand, four hundred forty-four".