1240383992 has 16 divisors (see below), whose sum is σ = 2448126600. Its totient is φ = 587550240.

The previous prime is 1240383959. The next prime is 1240384009. The reversal of 1240383992 is 2993830421.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 4080059 + ... + 4080362.

Almost surely, 2^1240383992 is an apocalyptic number.

It is an amenable number.

1240383992 is a deficient number, since it is larger than the sum of its proper divisors (1207742608).

1240383992 is a wasteful number, since it uses less digits than its factorization.

1240383992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8160446 (or 8160442 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 1240383992 is about 35219.0856212935. The cubic root of 1240383992 is about 1074.4479565439.

The spelling of 1240383992 in words is "one billion, two hundred forty million, three hundred eighty-three thousand, nine hundred ninety-two".