1992140632 has 16 divisors (see below), whose sum is σ = 3739814640. Its totient is φ = 994856736.

The previous prime is 1992140621. The next prime is 1992140639. The reversal of 1992140632 is 2360412991.

It is a junction number, because it is equal to n+sod(n) for n = 1992140591 and 1992140600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1992140639) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 144703 + ... + 157870.

It is an arithmetic number, because the mean of its divisors is an integer number (233738415).

Almost surely, 2^1992140632 is an apocalyptic number.

It is an amenable number.

1992140632 is a deficient number, since it is larger than the sum of its proper divisors (1747674008).

1992140632 is a wasteful number, since it uses less digits than its factorization.

1992140632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303402 (or 303398 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 1992140632 is about 44633.4026486890. The cubic root of 1992140632 is about 1258.2685194964.

The spelling of 1992140632 in words is "one billion, nine hundred ninety-two million, one hundred forty thousand, six hundred thirty-two".