484448440 has 128 divisors (see below), whose sum is σ = 1279359360. Its totient is φ = 161685504.

The previous prime is 484448401. The next prime is 484448477. The reversal of 484448440 is 44844484.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 484448393 and 484448402.

It is a congruent 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, 2800194 + ... + 2800366.

It is an arithmetic number, because the mean of its divisors is an integer number (9994995).

Almost surely, 2^484448440 is an apocalyptic number.

484448440 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 484448440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (639679680).

484448440 is an abundant number, since it is smaller than the sum of its proper divisors (794910920).

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

484448440 is a wasteful number, since it uses less digits than its factorization.

484448440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401 (or 397 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 40.

The square root of 484448440 is about 22010.1894585213. The cubic root of 484448440 is about 785.3848519299.

The spelling of 484448440 in words is "four hundred eighty-four million, four hundred forty-eight thousand, four hundred forty".