1140660552 has 32 divisors (see below), whose sum is σ = 2867417280. Its totient is φ = 378118080.

The previous prime is 1140660529. The next prime is 1140660581. The reversal of 1140660552 is 2550660411.

It is a super-2 number, since 2×1140660552² = 2602212989777889408, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126948 + ... + 135635.

It is an arithmetic number, because the mean of its divisors is an integer number (89606790).

Almost surely, 2^1140660552 is an apocalyptic number.

1140660552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1140660552 is an abundant number, since it is smaller than the sum of its proper divisors (1726756728).

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

1140660552 is a wasteful number, since it uses less digits than its factorization.

1140660552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262773 (or 262769 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 30.

The square root of 1140660552 is about 33773.6665465863. Note that the first 3 decimals coincide. The cubic root of 1140660552 is about 1044.8456544249.

The spelling of 1140660552 in words is "one billion, one hundred forty million, six hundred sixty thousand, five hundred fifty-two".