402200323442 has 16 divisors (see below), whose sum is σ = 637244627712. Its totient is φ = 190087173360.

The previous prime is 402200323417. The next prime is 402200323457. The reversal of 402200323442 is 244323002204.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 75428753 + ... + 75434084.

It is an arithmetic number, because the mean of its divisors is an integer number (39827789232).

Almost surely, 2^402200323442 is an apocalyptic number.

402200323442 is a deficient number, since it is larger than the sum of its proper divisors (235044304270).

402200323442 is a wasteful number, since it uses less digits than its factorization.

402200323442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150862913.

The product of its (nonzero) digits is 9216, while the sum is 26.

Adding to 402200323442 its reverse (244323002204), we get a palindrome (646523325646).

The spelling of 402200323442 in words is "four hundred two billion, two hundred million, three hundred twenty-three thousand, four hundred forty-two".