668424300 has 36 divisors (see below), whose sum is σ = 1933975176. Its totient is φ = 178246400.

The previous prime is 668424269. The next prime is 668424311. The reversal of 668424300 is 3424866.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

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 11 ways as a sum of consecutive naturals, for example, 1113741 + ... + 1114340.

Almost surely, 2^668424300 is an apocalyptic number.

668424300 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

668424300 is an abundant number, since it is smaller than the sum of its proper divisors (1265550876).

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

668424300 is a wasteful number, since it uses less digits than its factorization.

668424300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228098 (or 2228091 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 33.

The square root of 668424300 is about 25853.9029935521. The cubic root of 668424300 is about 874.3475081123.

The spelling of 668424300 in words is "six hundred sixty-eight million, four hundred twenty-four thousand, three hundred".