44000040 has 128 divisors (see below), whose sum is σ = 154080000. Its totient is φ = 10047744.

The previous prime is 44000027. The next prime is 44000069. The reversal of 44000040 is 4000044.

44000040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 40626 + ... + 41694.

It is an arithmetic number, because the mean of its divisors is an integer number (1203750).

Almost surely, 2^44000040 is an apocalyptic number.

44000040 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 44000040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77040000).

44000040 is an abundant number, since it is smaller than the sum of its proper divisors (110079960).

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

44000040 is a wasteful number, since it uses less digits than its factorization.

44000040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104 (or 1086 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 44000040 is about 6633.2525958236. The cubic root of 44000040 is about 353.0349405128.

Adding to 44000040 its reverse (4000044), we get a palindrome (48000084).

The spelling of 44000040 in words is "forty-four million, forty", and thus it is an aban number and an eban number.