477660444 has 24 divisors (see below), whose sum is σ = 1115052288. Its totient is φ = 159147120.

The previous prime is 477660377. The next prime is 477660467. The reversal of 477660444 is 444066774.

It is a junction number, because it is equal to n+sod(n) for n = 477660396 and 477660405.

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 in 7 ways as a sum of consecutive naturals, for example, 22509 + ... + 38235.

It is an arithmetic number, because the mean of its divisors is an integer number (46460512).

Almost surely, 2^477660444 is an apocalyptic number.

It is an amenable number.

477660444 is an abundant number, since it is smaller than the sum of its proper divisors (637391844).

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

477660444 is a wasteful number, since it uses less digits than its factorization.

477660444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18265 (or 18263 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 42.

The square root of 477660444 is about 21855.4442645305. Note that the first 3 decimals coincide. The cubic root of 477660444 is about 781.6993652976.

The spelling of 477660444 in words is "four hundred seventy-seven million, six hundred sixty thousand, four hundred forty-four".