404351422425320 has 32 divisors (see below), whose sum is σ = 909793160130600. Its totient is φ = 161740131694848.

The previous prime is 404351422425319. The next prime is 404351422425323. The reversal of 404351422425320 is 23524224153404.

It can be written as a sum of positive squares in 4 ways, for example, as 224895552124324 + 179455870300996 = 14996518^2 + 13396114^2 .

It is not an unprimeable number, because it can be changed into a prime (404351422425323) 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, 1523822 + ... + 28478498.

Almost surely, 2^{404351422425320} is an apocalyptic number.

404351422425320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

404351422425320 is an abundant number, since it is smaller than the sum of its proper divisors (505441737705280).

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

404351422425320 is a wasteful number, since it uses less digits than its factorization.

404351422425320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27329717 (or 27329713 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 41.

Adding to 404351422425320 its reverse (23524224153404), we get a palindrome (427875646578724).

The spelling of 404351422425320 in words is "four hundred four trillion, three hundred fifty-one billion, four hundred twenty-two million, four hundred twenty-five thousand, three hundred twenty".