1140436668 has 48 divisors (see below), whose sum is σ = 3050426624. Its totient is φ = 324846720.

The previous prime is 1140436631. The next prime is 1140436673. The reversal of 1140436668 is 8666340411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7296 + ... + 48312.

Almost surely, 2^1140436668 is an apocalyptic number.

It is an amenable number.

1140436668 is an abundant number, since it is smaller than the sum of its proper divisors (1909989956).

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

1140436668 is a wasteful number, since it uses less digits than its factorization.

1140436668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41362 (or 41360 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 39.

The square root of 1140436668 is about 33770.3519081457. The cubic root of 1140436668 is about 1044.7772906654. Note that the first 3 decimals are identical.

The spelling of 1140436668 in words is "one billion, one hundred forty million, four hundred thirty-six thousand, six hundred sixty-eight".