442443304102 has 4 divisors (see below), whose sum is σ = 663664956156. Its totient is φ = 221221652050.

The previous prime is 442443304099. The next prime is 442443304139. The reversal of 442443304102 is 201403344244.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110610826024 + ... + 110610826027.

It is an arithmetic number, because the mean of its divisors is an integer number (165916239039).

Almost surely, 2^442443304102 is an apocalyptic number.

442443304102 is a deficient number, since it is larger than the sum of its proper divisors (221221652054).

442443304102 is a wasteful number, since it uses less digits than its factorization.

442443304102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221221652053.

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 442443304102 its reverse (201403344244), we get a palindrome (643846648346).

The spelling of 442443304102 in words is "four hundred forty-two billion, four hundred forty-three million, three hundred four thousand, one hundred two".