44440402442 has 8 divisors (see below), whose sum is σ = 66662666436. Its totient is φ = 22219513632.

The previous prime is 44440402399. The next prime is 44440402477. The reversal of 44440402442 is 24420404444.

It can be written as a sum of positive squares in 2 ways, for example, as 37222370761 + 7218031681 = 192931^2 + 84959^2 .

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 = 44440402399 and 44440402408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258803 + ... + 394790.

Almost surely, 2^44440402442 is an apocalyptic number.

44440402442 is a deficient number, since it is larger than the sum of its proper divisors (22222263994).

44440402442 is a wasteful number, since it uses less digits than its factorization.

44440402442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687592.

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 44440402442 its reverse (24420404444), we get a palindrome (68860806886).

The spelling of 44440402442 in words is "forty-four billion, four hundred forty million, four hundred two thousand, four hundred forty-two".