44415442 has 16 divisors (see below), whose sum is σ = 68192064. Its totient is φ = 21690000.

The previous prime is 44415433. The next prime is 44415479. The reversal of 44415442 is 24451444.

It is a self number, because there is not a number n which added to its sum of digits gives 44415442.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17217 + ... + 19627.

It is an arithmetic number, because the mean of its divisors is an integer number (4262004).

Almost surely, 2^44415442 is an apocalyptic number.

44415442 is a deficient number, since it is larger than the sum of its proper divisors (23776622).

44415442 is a wasteful number, since it uses less digits than its factorization.

44415442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2625.

The product of its digits is 10240, while the sum is 28.

The square root of 44415442 is about 6664.4911283608. The cubic root of 44415442 is about 354.1424570549.

Adding to 44415442 its reverse (24451444), we get a palindrome (68866886).

The spelling of 44415442 in words is "forty-four million, four hundred fifteen thousand, four hundred forty-two".