44003940 has 24 divisors (see below), whose sum is σ = 123211200. Its totient is φ = 11734368.

The previous prime is 44003923. The next prime is 44003941. The reversal of 44003940 is 4930044.

It is a self number, because there is not a number n which added to its sum of digits gives 44003940.

It is not an unprimeable number, because it can be changed into a prime (44003941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366640 + ... + 366759.

It is an arithmetic number, because the mean of its divisors is an integer number (5133800).

Almost surely, 2^44003940 is an apocalyptic number.

It is an amenable number.

44003940 is an abundant number, since it is smaller than the sum of its proper divisors (79207260).

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

44003940 is a wasteful number, since it uses less digits than its factorization.

44003940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733411 (or 733409 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 44003940 is about 6633.5465627370. The cubic root of 44003940 is about 353.0453707730.

Adding to 44003940 its reverse (4930044), we get a palindrome (48933984).

The spelling of 44003940 in words is "forty-four million, three thousand, nine hundred forty".