44442320 has 80 divisors (see below), whose sum is σ = 112409472. Its totient is φ = 16243200.

The previous prime is 44442269. The next prime is 44442329. The reversal of 44442320 is 2324444.

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

It is a super-3 number, since 3×44442320³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156899 + ... + 157181.

Almost surely, 2^44442320 is an apocalyptic number.

44442320 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 44442320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56204736).

44442320 is an abundant number, since it is smaller than the sum of its proper divisors (67967152).

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

44442320 is a wasteful number, since it uses less digits than its factorization.

44442320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 460 (or 454 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 23.

The square root of 44442320 is about 6666.5073314293. The cubic root of 44442320 is about 354.2138790732.

Adding to 44442320 its reverse (2324444), we get a palindrome (46766764).

The spelling of 44442320 in words is "forty-four million, four hundred forty-two thousand, three hundred twenty".