1140075648 has 80 divisors (see below), whose sum is σ = 3392877510. Its totient is φ = 380021760.

The previous prime is 1140075631. The next prime is 1140075659. The reversal of 1140075648 is 8465700411.

It is a happy number.

1140075648 is a `hidden beast` number, since 1 + 1 + 4 + 0 + 0 + 7 + 5 + 648 = 666.

It can be written as a sum of positive squares in only one way, i.e., 638673984 + 501401664 = 25272^2 + 22392^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 44613 + ... + 65348.

Almost surely, 2^1140075648 is an apocalyptic number.

1140075648 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1140075648 is an abundant number, since it is smaller than the sum of its proper divisors (2252801862).

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

1140075648 is an equidigital number, since it uses as much as digits as its factorization.

1140075648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109987 (or 109966 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 1140075648 is about 33765.0062638821. The cubic root of 1140075648 is about 1044.6670331018.

The spelling of 1140075648 in words is "one billion, one hundred forty million, seventy-five thousand, six hundred forty-eight".