444415043213402 has 8 divisors (see below), whose sum is σ = 684639390896436. Its totient is φ = 216201912914592.

The previous prime is 444415043213387. The next prime is 444415043213431. The reversal of 444415043213402 is 204312340514444.

It can be written as a sum of positive squares in 2 ways, for example, as 438787240668001 + 5627802545401 = 20947249^2 + 2372299^2 .

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

It is a super-2 number, since 2×444415043213402² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 444415043213402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3002804345963 + ... + 3002804346110.

Almost surely, 2^{444415043213402} is an apocalyptic number.

444415043213402 is a deficient number, since it is larger than the sum of its proper divisors (240224347683034).

444415043213402 is a wasteful number, since it uses less digits than its factorization.

444415043213402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6005608692112.

The product of its (nonzero) digits is 737280, while the sum is 41.

Adding to 444415043213402 its reverse (204312340514444), we get a palindrome (648727383727846).

The spelling of 444415043213402 in words is "four hundred forty-four trillion, four hundred fifteen billion, forty-three million, two hundred thirteen thousand, four hundred two".