442220240402 has 32 divisors (see below), whose sum is σ = 709152554880. Its totient is φ = 206309220480.

The previous prime is 442220240351. The next prime is 442220240411. The reversal of 442220240402 is 204042022244.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19657853 + ... + 19680335.

It is an arithmetic number, because the mean of its divisors is an integer number (22161017340).

Almost surely, 2^442220240402 is an apocalyptic number.

442220240402 is a deficient number, since it is larger than the sum of its proper divisors (266932314478).

442220240402 is a wasteful number, since it uses less digits than its factorization.

442220240402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32978.

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 442220240402 its reverse (204042022244), we get a palindrome (646262262646).

The spelling of 442220240402 in words is "four hundred forty-two billion, two hundred twenty million, two hundred forty thousand, four hundred two".