44445120 has 112 divisors (see below), whose sum is σ = 143426688. Its totient is φ = 11658240.

The previous prime is 44445097. The next prime is 44445133. The reversal of 44445120 is 2154444.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63975 + ... + 64665.

Almost surely, 2^44445120 is an apocalyptic number.

44445120 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 44445120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71713344).

44445120 is an abundant number, since it is smaller than the sum of its proper divisors (98981568).

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

44445120 is a wasteful number, since it uses less digits than its factorization.

44445120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778 (or 768 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

The square root of 44445120 is about 6666.7173331408. The cubic root of 44445120 is about 354.2213177640.

Adding to 44445120 its reverse (2154444), we get a palindrome (46599564).

The spelling of 44445120 in words is "forty-four million, four hundred forty-five thousand, one hundred twenty".