404400222402 has 64 divisors (see below), whose sum is σ = 900850567680. Its totient is φ = 119997072000.

The previous prime is 404400222383. The next prime is 404400222437. The reversal of 404400222402 is 204222004404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 367777 + ... + 971627.

It is an arithmetic number, because the mean of its divisors is an integer number (14075790120).

Almost surely, 2^404400222402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 404400222402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (450425283840).

404400222402 is an abundant number, since it is smaller than the sum of its proper divisors (496450345278).

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

404400222402 is a wasteful number, since it uses less digits than its factorization.

404400222402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604079.

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 404400222402 its reverse (204222004404), we get a palindrome (608622226806).

The spelling of 404400222402 in words is "four hundred four billion, four hundred million, two hundred twenty-two thousand, four hundred two".