44447642 has 16 divisors (see below), whose sum is σ = 67453992. Its totient is φ = 21964800.

The previous prime is 44447617. The next prime is 44447651. The reversal of 44447642 is 24674444.

It can be written as a sum of positive squares in 4 ways, for example, as 42627841 + 1819801 = 6529^2 + 1349^2 .

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, 110642 + ... + 111042.

Almost surely, 2^44447642 is an apocalyptic number.

44447642 is a deficient number, since it is larger than the sum of its proper divisors (23006350).

44447642 is a wasteful number, since it uses less digits than its factorization.

44447642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 913.

The product of its digits is 86016, while the sum is 35.

The square root of 44447642 is about 6666.9064790201. The cubic root of 44447642 is about 354.2280176317.

The spelling of 44447642 in words is "forty-four million, four hundred forty-seven thousand, six hundred forty-two".