404221104402 has 16 divisors (see below), whose sum is σ = 821695360512. Its totient is φ = 132531509520.

The previous prime is 404221104383. The next prime is 404221104403. The reversal of 404221104402 is 204401122404.

It is not an unprimeable number, because it can be changed into a prime (404221104403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 552214258 + ... + 552214989.

It is an arithmetic number, because the mean of its divisors is an integer number (51355960032).

Almost surely, 2^404221104402 is an apocalyptic number.

404221104402 is an abundant number, since it is smaller than the sum of its proper divisors (417474256110).

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

404221104402 is a wasteful number, since it uses less digits than its factorization.

404221104402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104429313.

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 404221104402 its reverse (204401122404), we get a palindrome (608622226806).

The spelling of 404221104402 in words is "four hundred four billion, two hundred twenty-one million, one hundred four thousand, four hundred two".