4445016320 has 72 divisors (see below), whose sum is σ = 10821937560. Its totient is φ = 1748828160.

The previous prime is 4445016319. The next prime is 4445016341. The reversal of 4445016320 is 236105444.

It can be written as a sum of positive squares in 4 ways, for example, as 446730496 + 3998285824 = 21136^2 + 63232^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49616 + ... + 106544.

Almost surely, 2^4445016320 is an apocalyptic number.

4445016320 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 4445016320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5410968780).

4445016320 is an abundant number, since it is smaller than the sum of its proper divisors (6376921240).

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

4445016320 is an equidigital number, since it uses as much as digits as its factorization.

4445016320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57011 (or 56997 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 4445016320 is about 66670.9555953715. The cubic root of 4445016320 is about 1644.2118981826.

The spelling of 4445016320 in words is "four billion, four hundred forty-five million, sixteen thousand, three hundred twenty".