44001120 has 144 divisors (see below), whose sum is σ = 144864720. Its totient is φ = 11225088.

The previous prime is 44001119. The next prime is 44001127. The reversal of 44001120 is 2110044.

It is a super-2 number, since 2×44001120² = 3872197122508800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 44001096 and 44001105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44001127) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 403626 + ... + 403734.

It is an arithmetic number, because the mean of its divisors is an integer number (1006005).

Almost surely, 2^44001120 is an apocalyptic number.

44001120 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 44001120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72432360).

44001120 is an abundant number, since it is smaller than the sum of its proper divisors (100863600).

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

44001120 is a wasteful number, since it uses less digits than its factorization.

44001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 44001120 is about 6633.3340033500. The cubic root of 44001120 is about 353.0378289543.

Adding to 44001120 its reverse (2110044), we get a palindrome (46111164).

The spelling of 44001120 in words is "forty-four million, one thousand, one hundred twenty".