1140666732 has 24 divisors (see below), whose sum is σ = 2957284400. Its totient is φ = 380222208.

The previous prime is 1140666727. The next prime is 1140666743. The reversal of 1140666732 is 2376660411.

It is a happy number.

It is a super-2 number, since 2×1140666732² = 2602241186983119648, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5280757 + ... + 5280972.

Almost surely, 2^1140666732 is an apocalyptic number.

1140666732 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140666732 is an abundant number, since it is smaller than the sum of its proper divisors (1816617668).

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

1140666732 is a wasteful number, since it uses less digits than its factorization.

1140666732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10561742 (or 10561734 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 1140666732 is about 33773.7580378613. The cubic root of 1140666732 is about 1044.8475413825.

The spelling of 1140666732 in words is "one billion, one hundred forty million, six hundred sixty-six thousand, seven hundred thirty-two".