44043340 has 48 divisors (see below), whose sum is σ = 101896704. Its totient is φ = 15857600.

The previous prime is 44043319. The next prime is 44043347. The reversal of 44043340 is 4334044.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is not an unprimeable number, because it can be changed into a prime (44043347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22605 + ... + 24475.

It is an arithmetic number, because the mean of its divisors is an integer number (2122848).

Almost surely, 2^44043340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44043340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50948352).

44043340 is an abundant number, since it is smaller than the sum of its proper divisors (57853364).

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

44043340 is a wasteful number, since it uses less digits than its factorization.

44043340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1998 (or 1996 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 44043340 is about 6636.5156520572. The cubic root of 44043340 is about 353.1507085990.

Adding to 44043340 its reverse (4334044), we get a palindrome (48377384).

It can be divided in two parts, 4404 and 3340, that added together give a square (7744 = 88²).

The spelling of 44043340 in words is "forty-four million, forty-three thousand, three hundred forty".