2045205044 has 24 divisors (see below), whose sum is σ = 3761337888. Its totient is φ = 971822880.

The previous prime is 2045205037. The next prime is 2045205073. The reversal of 2045205044 is 4405025402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154322 + ... + 167049.

It is an arithmetic number, because the mean of its divisors is an integer number (156722412).

Almost surely, 2^2045205044 is an apocalyptic number.

It is an amenable number.

2045205044 is a deficient number, since it is larger than the sum of its proper divisors (1716132844).

2045205044 is a wasteful number, since it uses less digits than its factorization.

2045205044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321455 (or 321453 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 26.

The square root of 2045205044 is about 45223.9432601802. The cubic root of 2045205044 is about 1269.3428811677.

The spelling of 2045205044 in words is "two billion, forty-five million, two hundred five thousand, forty-four".