484778280 has 128 divisors (see below), whose sum is σ = 1693612800. Its totient is φ = 108705792.

The previous prime is 484778267. The next prime is 484778317. The reversal of 484778280 is 82877484.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39076 + ... + 49964.

It is an arithmetic number, because the mean of its divisors is an integer number (13231350).

Almost surely, 2^484778280 is an apocalyptic number.

484778280 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 484778280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846806400).

484778280 is an abundant number, since it is smaller than the sum of its proper divisors (1208834520).

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

484778280 is a wasteful number, since it uses less digits than its factorization.

484778280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10963 (or 10959 counting only the distinct ones).

The product of its (nonzero) digits is 802816, while the sum is 48.

The square root of 484778280 is about 22017.6810768073. The cubic root of 484778280 is about 785.5630563566.

The spelling of 484778280 in words is "four hundred eighty-four million, seven hundred seventy-eight thousand, two hundred eighty".