1907640992 has 48 divisors (see below), whose sum is σ = 4069118592. Its totient is φ = 876825600.

The previous prime is 1907640991. The next prime is 1907641007. The reversal of 1907640992 is 2990467091.

It is not an unprimeable number, because it can be changed into a prime (1907640991) 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 7 ways as a sum of consecutive naturals, for example, 17384 + ... + 64167.

It is an arithmetic number, because the mean of its divisors is an integer number (84773304).

Almost surely, 2^1907640992 is an apocalyptic number.

It is an amenable number.

1907640992 is an abundant number, since it is smaller than the sum of its proper divisors (2161477600).

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

1907640992 is a wasteful number, since it uses less digits than its factorization.

1907640992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81621 (or 81613 counting only the distinct ones).

The product of its (nonzero) digits is 244944, while the sum is 47.

The square root of 1907640992 is about 43676.5496805780. The cubic root of 1907640992 is about 1240.2204325426.

The spelling of 1907640992 in words is "one billion, nine hundred seven million, six hundred forty thousand, nine hundred ninety-two".