478484250 has 64 divisors (see below), whose sum is σ = 1198050048. Its totient is φ = 127195200.

The previous prime is 478484233. The next prime is 478484257. The reversal of 478484250 is 52484874.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (478484257) 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 31 ways as a sum of consecutive naturals, for example, 296947 + ... + 298553.

It is an arithmetic number, because the mean of its divisors is an integer number (18719532).

Almost surely, 2^478484250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 478484250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (599025024).

478484250 is an abundant number, since it is smaller than the sum of its proper divisors (719565798).

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

478484250 is a wasteful number, since it uses less digits than its factorization.

478484250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2014 counting only the distinct ones).

The product of its (nonzero) digits is 286720, while the sum is 42.

The square root of 478484250 is about 21874.2828453872. The cubic root of 478484250 is about 782.1484979949.

The spelling of 478484250 in words is "four hundred seventy-eight million, four hundred eighty-four thousand, two hundred fifty".