402442444022 has 8 divisors (see below), whose sum is σ = 604973133072. Its totient is φ = 200784733000.

The previous prime is 402442444009. The next prime is 402442444049. The reversal of 402442444022 is 220444244204.

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

It is a self number, because there is not a number n which added to its sum of digits gives 402442444022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218243354 + ... + 218245197.

It is an arithmetic number, because the mean of its divisors is an integer number (75621641634).

Almost surely, 2^402442444022 is an apocalyptic number.

402442444022 is a deficient number, since it is larger than the sum of its proper divisors (202530689050).

402442444022 is a wasteful number, since it uses less digits than its factorization.

402442444022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 436489014.

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

Adding to 402442444022 its reverse (220444244204), we get a palindrome (622886688226).

The spelling of 402442444022 in words is "four hundred two billion, four hundred forty-two million, four hundred forty-four thousand, twenty-two".