44081442 has 64 divisors (see below), whose sum is σ = 107136000. Its totient is φ = 13374720.

The previous prime is 44081431. The next prime is 44081449. The reversal of 44081442 is 24418044.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (44081449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27684 + ... + 29232.

It is an arithmetic number, because the mean of its divisors is an integer number (1674000).

Almost surely, 2^44081442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44081442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53568000).

44081442 is an abundant number, since it is smaller than the sum of its proper divisors (63054558).

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

44081442 is a wasteful number, since it uses less digits than its factorization.

44081442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608 (or 1602 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 44081442 is about 6639.3856643518. The cubic root of 44081442 is about 353.2525164240.

Adding to 44081442 its reverse (24418044), we get a palindrome (68499486).

The spelling of 44081442 in words is "forty-four million, eighty-one thousand, four hundred forty-two".