426664288 has 12 divisors (see below), whose sum is σ = 839995380. Its totient is φ = 213332128.

The previous prime is 426664267. The next prime is 426664313. The reversal of 426664288 is 882466624.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 6666598 + ... + 6666661.

It is an arithmetic number, because the mean of its divisors is an integer number (69999615).

Almost surely, 2^426664288 is an apocalyptic number.

It is an amenable number.

426664288 is a deficient number, since it is larger than the sum of its proper divisors (413331092).

426664288 is a wasteful number, since it uses less digits than its factorization.

426664288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333269 (or 13333261 counting only the distinct ones).

The product of its digits is 884736, while the sum is 46.

The square root of 426664288 is about 20655.8536013402. The cubic root of 426664288 is about 752.8274240953.

The spelling of 426664288 in words is "four hundred twenty-six million, six hundred sixty-four thousand, two hundred eighty-eight".