1992240192 has 56 divisors (see below), whose sum is σ = 5280046336. Its totient is φ = 662957568.

The previous prime is 1992240137. The next prime is 1992240199. The reversal of 1992240192 is 2910422991.

It is a self number, because there is not a number n which added to its sum of digits gives 1992240192.

It is not an unprimeable number, because it can be changed into a prime (1992240199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109233 + ... + 126159.

Almost surely, 2^1992240192 is an apocalyptic number.

1992240192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1992240192 is an abundant number, since it is smaller than the sum of its proper divisors (3287806144).

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

1992240192 is a wasteful number, since it uses less digits than its factorization.

1992240192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17555 (or 17545 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 39.

The square root of 1992240192 is about 44634.5179429553. The cubic root of 1992240192 is about 1258.2894803873.

The spelling of 1992240192 in words is "one billion, nine hundred ninety-two million, two hundred forty thousand, one hundred ninety-two".