442003044402 has 32 divisors (see below), whose sum is σ = 982386370560. Its totient is φ = 147310740720.

The previous prime is 442003044391. The next prime is 442003044403. The reversal of 442003044402 is 204440300244.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (442003044403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313993 + ... + 991260.

It is an arithmetic number, because the mean of its divisors is an integer number (30699574080).

Almost surely, 2^442003044402 is an apocalyptic number.

442003044402 is an abundant number, since it is smaller than the sum of its proper divisors (540383326158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

442003044402 is a wasteful number, since it uses less digits than its factorization.

442003044402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1311535 (or 1311529 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 442003044402 its reverse (204440300244), we get a palindrome (646443344646).

The spelling of 442003044402 in words is "four hundred forty-two billion, three million, forty-four thousand, four hundred two".