44120003240 has 128 divisors (see below), whose sum is σ = 104864094720. Its totient is φ = 16684185600.

The previous prime is 44120003177. The next prime is 44120003251. The reversal of 44120003240 is 4230002144.

It is a super-2 number, since 2×44120003240² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16442939 + ... + 16445621.

It is an arithmetic number, because the mean of its divisors is an integer number (819250740).

Almost surely, 2^44120003240 is an apocalyptic number.

44120003240 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 44120003240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52432047360).

44120003240 is an abundant number, since it is smaller than the sum of its proper divisors (60744091480).

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

44120003240 is a wasteful number, since it uses less digits than its factorization.

44120003240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043 (or 3039 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 44120003240 its reverse (4230002144), we get a palindrome (48350005384).

The spelling of 44120003240 in words is "forty-four billion, one hundred twenty million, three thousand, two hundred forty".