2044040392 has 8 divisors (see below), whose sum is σ = 3832575750. Its totient is φ = 1022020192.

The previous prime is 2044040381. The next prime is 2044040413. The reversal of 2044040392 is 2930404402.

It can be written as a sum of positive squares in only one way, i.e., 1259256196 + 784784196 = 35486^2 + 28014^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2044040392² = 8356202248255027328, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2044040392.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127752517 + ... + 127752532.

Almost surely, 2^2044040392 is an apocalyptic number.

It is an amenable number.

2044040392 is a deficient number, since it is larger than the sum of its proper divisors (1788535358).

2044040392 is a wasteful number, since it uses less digits than its factorization.

2044040392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255505055 (or 255505051 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 2044040392 is about 45211.0649288424. The cubic root of 2044040392 is about 1269.1018909167.

Adding to 2044040392 its reverse (2930404402), we get a palindrome (4974444794).

The spelling of 2044040392 in words is "two billion, forty-four million, forty thousand, three hundred ninety-two".