1140665044 has 12 divisors (see below), whose sum is σ = 1996469524. Its totient is φ = 570245184.

The previous prime is 1140665041. The next prime is 1140665083. The reversal of 1140665044 is 4405660411.

It can be written as a sum of positive squares in 2 ways, for example, as 413715600 + 726949444 = 20340^2 + 26962^2 .

It is a super-2 number, since 2×1140665044² = 2602233485207043872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1140664997 and 1140665015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140665041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14134 + ... + 49810.

Almost surely, 2^1140665044 is an apocalyptic number.

It is an amenable number.

1140665044 is a deficient number, since it is larger than the sum of its proper divisors (855804480).

1140665044 is a wasteful number, since it uses less digits than its factorization.

1140665044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43674 (or 43672 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 1140665044 is about 33773.7330480360. The cubic root of 1140665044 is about 1044.8470259812.

The spelling of 1140665044 in words is "one billion, one hundred forty million, six hundred sixty-five thousand, forty-four".