44042940 has 120 divisors (see below), whose sum is σ = 142783872. Its totient is φ = 11352960.

The previous prime is 44042939. The next prime is 44042941. The reversal of 44042940 is 4924044.

It is an interprime number because it is at equal distance from previous prime (44042939) and next prime (44042941).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44042941) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 49782 + ... + 50658.

Almost surely, 2^44042940 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 44042940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71391936).

44042940 is an abundant number, since it is smaller than the sum of its proper divisors (98740932).

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

44042940 is a wasteful number, since it uses less digits than its factorization.

44042940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 929 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 44042940 is about 6636.4855156928. The cubic root of 44042940 is about 353.1496394951.

Adding to 44042940 its reverse (4924044), we get a palindrome (48966984).

The spelling of 44042940 in words is "forty-four million, forty-two thousand, nine hundred forty".