44440042 has 8 divisors (see below), whose sum is σ = 66769956. Its totient is φ = 22183392.

The previous prime is 44440037. The next prime is 44440043. The reversal of 44440042 is 24004444.

44440042 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39551521 + 4888521 = 6289^2 + 2211^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 44439995 and 44440022.

It is not an unprimeable number, because it can be changed into a prime (44440043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16773 + ... + 19240.

Almost surely, 2^44440042 is an apocalyptic number.

44440042 is a deficient number, since it is larger than the sum of its proper divisors (22329914).

44440042 is a wasteful number, since it uses less digits than its factorization.

44440042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36632.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 44440042 is about 6666.3364751564. The cubic root of 44440042 is about 354.2078269364.

Adding to 44440042 its reverse (24004444), we get a palindrome (68444486).

The spelling of 44440042 in words is "forty-four million, four hundred forty thousand, forty-two".