669480000 has 280 divisors, whose sum is σ = 2532839232. Its totient is φ = 152832000.

The previous prime is 669479989. The next prime is 669480037. The reversal of 669480000 is 84966.

669480000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (280).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 839602 + ... + 840398.

Almost surely, 2^669480000 is an apocalyptic number.

669480000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 669480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1266419616).

669480000 is an abundant number, since it is smaller than the sum of its proper divisors (1863359232).

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

669480000 is an equidigital number, since it uses as much as digits as its factorization.

669480000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 33.

The square root of 669480000 is about 25874.3115850451. The cubic root of 669480000 is about 874.8075767345.

The spelling of 669480000 in words is "six hundred sixty-nine million, four hundred eighty thousand".