478648830 has 64 divisors (see below), whose sum is σ = 1276881408. Its totient is φ = 113842560.

The previous prime is 478648823. The next prime is 478648831. The reversal of 478648830 is 38846874.

It is a self number, because there is not a number n which added to its sum of digits gives 478648830.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478648831) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3807 + ... + 31173.

It is an arithmetic number, because the mean of its divisors is an integer number (19951272).

Almost surely, 2^478648830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478648830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (638440704).

478648830 is an abundant number, since it is smaller than the sum of its proper divisors (798232578).

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

478648830 is a wasteful number, since it uses less digits than its factorization.

478648830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27441.

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 478648830 is about 21878.0444738555. The cubic root of 478648830 is about 782.2381639513.

The spelling of 478648830 in words is "four hundred seventy-eight million, six hundred forty-eight thousand, eight hundred thirty".