492687939972 has 24 divisors (see below), whose sum is σ = 1150975425600. Its totient is φ = 164033565856.

The previous prime is 492687939929. The next prime is 492687939973. The reversal of 492687939972 is 279939786294.

It is a junction number, because it is equal to n+sod(n) for n = 492687939894 and 492687939903.

It is not an unprimeable number, because it can be changed into a prime (492687939973) 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, 24457947 + ... + 24478082.

It is an arithmetic number, because the mean of its divisors is an integer number (47957309400).

Almost surely, 2^492687939972 is an apocalyptic number.

It is an amenable number.

492687939972 is an abundant number, since it is smaller than the sum of its proper divisors (658287485628).

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

492687939972 is a wasteful number, since it uses less digits than its factorization.

492687939972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48936875 (or 48936873 counting only the distinct ones).

The product of its digits is 740710656, while the sum is 75.

The spelling of 492687939972 in words is "four hundred ninety-two billion, six hundred eighty-seven million, nine hundred thirty-nine thousand, nine hundred seventy-two".