2045393044 has 6 divisors (see below), whose sum is σ = 3579437834. Its totient is φ = 1022696520.

The previous prime is 2045393033. The next prime is 2045393057. The reversal of 2045393044 is 4403935402.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 2044848400 + 544644 = 45220^2 + 738^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 255674127 + ... + 255674134.

Almost surely, 2^2045393044 is an apocalyptic number.

It is an amenable number.

2045393044 is a deficient number, since it is larger than the sum of its proper divisors (1534044790).

2045393044 is a wasteful number, since it uses less digits than its factorization.

2045393044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511348265 (or 511348263 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 34.

The square root of 2045393044 is about 45226.0217573910. The cubic root of 2045393044 is about 1269.3817736251.

The spelling of 2045393044 in words is "two billion, forty-five million, three hundred ninety-three thousand, forty-four".