424390168 has 16 divisors (see below), whose sum is σ = 797400000. Its totient is φ = 211750176.

The previous prime is 424390163. The next prime is 424390189. The reversal of 424390168 is 861093424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424390163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51543 + ... + 59206.

It is an arithmetic number, because the mean of its divisors is an integer number (49837500).

Almost surely, 2^424390168 is an apocalyptic number.

It is an amenable number.

424390168 is a deficient number, since it is larger than the sum of its proper divisors (373009832).

424390168 is a wasteful number, since it uses less digits than its factorization.

424390168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111234 (or 111230 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 424390168 is about 20600.7322199965. The cubic root of 424390168 is about 751.4875176969.

The spelling of 424390168 in words is "four hundred twenty-four million, three hundred ninety thousand, one hundred sixty-eight".