425242992 has 20 divisors (see below), whose sum is σ = 1098544520. Its totient is φ = 141747648.

The previous prime is 425242991. The next prime is 425242997. The reversal of 425242992 is 299242524.

It is a super-2 number, since 2×425242992² = 361663204490224128, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 425242992.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425242991) 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 3 ways as a sum of consecutive naturals, for example, 4429567 + ... + 4429662.

It is an arithmetic number, because the mean of its divisors is an integer number (54927226).

Almost surely, 2^425242992 is an apocalyptic number.

It is an amenable number.

425242992 is an abundant number, since it is smaller than the sum of its proper divisors (673301528).

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

425242992 is a wasteful number, since it uses less digits than its factorization.

425242992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8859240 (or 8859234 counting only the distinct ones).

The product of its digits is 103680, while the sum is 39.

The square root of 425242992 is about 20621.4207076040. The cubic root of 425242992 is about 751.9905593352.

The spelling of 425242992 in words is "four hundred twenty-five million, two hundred forty-two thousand, nine hundred ninety-two".