44006040 has 96 divisors (see below), whose sum is σ = 154037520. Its totient is φ = 10831104.

The previous prime is 44006009. The next prime is 44006063. The reversal of 44006040 is 4060044.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22 + ... + 9381.

Almost surely, 2^44006040 is an apocalyptic number.

44006040 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 44006040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77018760).

44006040 is an abundant number, since it is smaller than the sum of its proper divisors (110031480).

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

44006040 is a wasteful number, since it uses less digits than its factorization.

44006040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9433 (or 9426 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 44006040 is about 6633.7048472177. The cubic root of 44006040 is about 353.0509868116.

Adding to 44006040 its reverse (4060044), we get a palindrome (48066084).

It can be divided in two parts, 4400 and 6040, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 44006040 in words is "forty-four million, six thousand, forty", and thus it is an eban number.