1140665424 has 20 divisors (see below), whose sum is σ = 2946719136. Its totient is φ = 380221792.

The previous prime is 1140665423. The next prime is 1140665441. The reversal of 1140665424 is 4245660411.

It is a super-2 number, since 2×1140665424² = 2602235219018199552, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140665423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11881884 + ... + 11881979.

Almost surely, 2^1140665424 is an apocalyptic number.

It is an amenable number.

1140665424 is an abundant number, since it is smaller than the sum of its proper divisors (1806053712).

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

1140665424 is a wasteful number, since it uses less digits than its factorization.

1140665424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23763874 (or 23763868 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 1140665424 is about 33773.7386737092. The cubic root of 1140665424 is about 1044.8471420076.

The spelling of 1140665424 in words is "one billion, one hundred forty million, six hundred sixty-five thousand, four hundred twenty-four".