478606340 has 24 divisors (see below), whose sum is σ = 1028448960. Its totient is φ = 186990048.

The previous prime is 478606339. The next prime is 478606361. The reversal of 478606340 is 43606874.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 478606294 and 478606303.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277400 + ... + 279119.

It is an arithmetic number, because the mean of its divisors is an integer number (42852040).

Almost surely, 2^478606340 is an apocalyptic number.

It is an amenable number.

478606340 is an abundant number, since it is smaller than the sum of its proper divisors (549842620).

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

478606340 is a wasteful number, since it uses less digits than its factorization.

478606340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556571 (or 556569 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 38.

The square root of 478606340 is about 21877.0733874529. The cubic root of 478606340 is about 782.2150166521.

The spelling of 478606340 in words is "four hundred seventy-eight million, six hundred six thousand, three hundred forty".