425168842 has 16 divisors (see below), whose sum is σ = 737052480. Its totient is φ = 180167328.

The previous prime is 425168839. The next prime is 425168851. The reversal of 425168842 is 248861524.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 425168795 and 425168804.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 169368 + ... + 171859.

It is an arithmetic number, because the mean of its divisors is an integer number (46065780).

Almost surely, 2^425168842 is an apocalyptic number.

425168842 is a deficient number, since it is larger than the sum of its proper divisors (311883638).

425168842 is a wasteful number, since it uses less digits than its factorization.

425168842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341325.

The product of its digits is 122880, while the sum is 40.

The square root of 425168842 is about 20619.6227414567. The cubic root of 425168842 is about 751.9468483729.

The spelling of 425168842 in words is "four hundred twenty-five million, one hundred sixty-eight thousand, eight hundred forty-two".