1192385640 has 64 divisors (see below), whose sum is σ = 3583964160. Its totient is φ = 317364480.

The previous prime is 1192385617. The next prime is 1192385647. The reversal of 1192385640 is 465832911.

It is not an unprimeable number, because it can be changed into a prime (1192385647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55737 + ... + 74103.

It is an arithmetic number, because the mean of its divisors is an integer number (55999440).

Almost surely, 2^1192385640 is an apocalyptic number.

1192385640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1192385640 is an abundant number, since it is smaller than the sum of its proper divisors (2391578520).

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

1192385640 is a wasteful number, since it uses less digits than its factorization.

1192385640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18922 (or 18918 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 1192385640 is about 34530.9374329745. The cubic root of 1192385640 is about 1060.4061692528.

The spelling of 1192385640 in words is "one billion, one hundred ninety-two million, three hundred eighty-five thousand, six hundred forty".