404313234402 has 48 divisors (see below), whose sum is σ = 1026160499232. Its totient is φ = 105016423680.

The previous prime is 404313234379. The next prime is 404313234419. The reversal of 404313234402 is 204432313404.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 404313234402.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 62506543 + ... + 62513010.

It is an arithmetic number, because the mean of its divisors is an integer number (21378343734).

Almost surely, 2^404313234402 is an apocalyptic number.

404313234402 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

404313234402 is an abundant number, since it is smaller than the sum of its proper divisors (621847264830).

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

404313234402 is a wasteful number, since it uses less digits than its factorization.

404313234402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125019583 (or 125019576 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 30.

Adding to 404313234402 its reverse (204432313404), we get a palindrome (608745547806).

The spelling of 404313234402 in words is "four hundred four billion, three hundred thirteen million, two hundred thirty-four thousand, four hundred two".