478724488 has 64 divisors (see below), whose sum is σ = 1047816000. Its totient is φ = 202629120.

The previous prime is 478724459. The next prime is 478724593. The reversal of 478724488 is 884427874.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143463 + ... + 146761.

It is an arithmetic number, because the mean of its divisors is an integer number (16372125).

Almost surely, 2^478724488 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 478724488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (523908000).

478724488 is an abundant number, since it is smaller than the sum of its proper divisors (569091512).

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

478724488 is a wasteful number, since it uses less digits than its factorization.

478724488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3430 (or 3426 counting only the distinct ones).

The product of its digits is 3211264, while the sum is 52.

The square root of 478724488 is about 21879.7734906009. The cubic root of 478724488 is about 782.2793768081.

The spelling of 478724488 in words is "four hundred seventy-eight million, seven hundred twenty-four thousand, four hundred eighty-eight".