44002 has 12 divisors (see below), whose sum is σ = 76950. Its totient is φ = 18816.

The previous prime is 43997. The next prime is 44017. The reversal of 44002 is 20044.

It can be written as a sum of positive squares in only one way, i.e., 35721 + 8281 = 189^2 + 91^2 .

It is a nialpdrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 44002.

It is an unprimeable number.

44002 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 127 + ... + 322.

2⁴⁴⁰⁰² is an apocalyptic number.

44002 is a deficient number, since it is larger than the sum of its proper divisors (32948).

44002 is a wasteful number, since it uses less digits than its factorization.

44002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 10.

The square root of 44002 is about 209.7665368928. The cubic root of 44002 is about 35.3040182464.

Adding to 44002 its reverse (20044), we get a palindrome (64046).

The spelling of 44002 in words is "forty-four thousand, two", and thus it is an eban number and an iban number.