469986660 has 432 divisors, whose sum is σ = 1821718080. Its totient is φ = 96422400.

The previous prime is 469986659. The next prime is 469986667. The reversal of 469986660 is 66689964.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 469986597 and 469986606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (469986667) by changing a digit.

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 in 143 ways as a sum of consecutive naturals, for example, 15160845 + ... + 15160875.

It is an arithmetic number, because the mean of its divisors is an integer number (4216940).

Almost surely, 2^469986660 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 469986660, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (910859040).

469986660 is an abundant number, since it is smaller than the sum of its proper divisors (1351731420).

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

469986660 is a wasteful number, since it uses less digits than its factorization.

469986660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120 (or 84 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The square root of 469986660 is about 21679.1757223378. The cubic root of 469986660 is about 777.4906537615.

The spelling of 469986660 in words is "four hundred sixty-nine million, nine hundred eighty-six thousand, six hundred sixty".