44004042 has 12 divisors (see below), whose sum is σ = 95342130. Its totient is φ = 14668008.

The previous prime is 44004017. The next prime is 44004053. The reversal of 44004042 is 24040044.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 43283241 + 720801 = 6579^2 + 849^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 2444669 = 44004042 / (4 + 4 + 0 + 0 + 4 + 0 + 4 + 2).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1222317 + ... + 1222352.

Almost surely, 2^44004042 is an apocalyptic number.

44004042 is an abundant number, since it is smaller than the sum of its proper divisors (51338088).

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

44004042 is a wasteful number, since it uses less digits than its factorization.

44004042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2444677 (or 2444674 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

The square root of 44004042 is about 6633.5542509276. The cubic root of 44004042 is about 353.0456435561.

Adding to 44004042 its reverse (24040044), we get a palindrome (68044086).

The spelling of 44004042 in words is "forty-four million, four thousand, forty-two", and thus it is an eban number.