4445480 has 64 divisors (see below), whose sum is σ = 11007360. Its totient is φ = 1605888.

The previous prime is 4445479. The next prime is 4445491. The reversal of 4445480 is 845444.

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, 43109 + ... + 43211.

It is an arithmetic number, because the mean of its divisors is an integer number (171990).

Almost surely, 2^4445480 is an apocalyptic number.

4445480 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 4445480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5503680).

4445480 is an abundant number, since it is smaller than the sum of its proper divisors (6561880).

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

4445480 is a wasteful number, since it uses less digits than its factorization.

4445480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210 (or 206 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 29.

The square root of 4445480 is about 2108.4306960391. The cubic root of 4445480 is about 164.4269067951.

The spelling of 4445480 in words is "four million, four hundred forty-five thousand, four hundred eighty".