4445298320 has 80 divisors (see below), whose sum is σ = 11132716032. Its totient is φ = 1645923840.

The previous prime is 4445298287. The next prime is 4445298373. The reversal of 4445298320 is 238925444.

It is a tau number, because it is divible by the number of its divisors (80).

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, 18074 + ... + 96006.

Almost surely, 2^4445298320 is an apocalyptic number.

4445298320 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 4445298320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5566358016).

4445298320 is an abundant number, since it is smaller than the sum of its proper divisors (6687417712).

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

4445298320 is a wasteful number, since it uses less digits than its factorization.

4445298320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78000 (or 77994 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 41.

The square root of 4445298320 is about 66673.0704257724. The cubic root of 4445298320 is about 1644.2466680550.

The spelling of 4445298320 in words is "four billion, four hundred forty-five million, two hundred ninety-eight thousand, three hundred twenty".