44040120 has 32 divisors (see below), whose sum is σ = 132120720. Its totient is φ = 11744000.

The previous prime is 44040107. The next prime is 44040121. The reversal of 44040120 is 2104044.

It is a super-2 number, since 2×44040120² = 3879064339228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 44040120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44040121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183381 + ... + 183620.

Almost surely, 2^44040120 is an apocalyptic number.

44040120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44040120 is an abundant number, since it is smaller than the sum of its proper divisors (88080600).

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

44040120 is a wasteful number, since it uses less digits than its factorization.

44040120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367015 (or 367011 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 44040120 is about 6636.2730504403. The cubic root of 44040120 is about 353.1421021294.

Adding to 44040120 its reverse (2104044), we get a palindrome (46144164).

The spelling of 44040120 in words is "forty-four million, forty thousand, one hundred twenty".