44002642 has 4 divisors (see below), whose sum is σ = 66003966. Its totient is φ = 22001320.

The previous prime is 44002627. The next prime is 44002643. The reversal of 44002642 is 24620044.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43678881 + 323761 = 6609^2 + 569^2 .

It is not an unprimeable number, because it can be changed into a prime (44002643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000659 + ... + 11000662.

Almost surely, 2^44002642 is an apocalyptic number.

44002642 is a deficient number, since it is larger than the sum of its proper divisors (22001324).

44002642 is a wasteful number, since it uses less digits than its factorization.

44002642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22001323.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 44002642 is about 6633.4487259645. The cubic root of 44002642 is about 353.0418994369.

Adding to 44002642 its reverse (24620044), we get a palindrome (68622686).

It can be divided in two parts, 44002 and 642, that added together give a palindrome (44644).

The spelling of 44002642 in words is "forty-four million, two thousand, six hundred forty-two".