404000420022 has 12 divisors (see below), whose sum is σ = 875334243420. Its totient is φ = 134666806668.

The previous prime is 404000420009. The next prime is 404000420029. The reversal of 404000420022 is 220024000404.

404000420022 is a `hidden beast` number, since 40 + 400 + 0 + 4 + 200 + 22 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 22444467779 = 404000420022 / (4 + 0 + 4 + 0 + 0 + 0 + 4 + 2 + 0 + 0 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 404000419977 and 404000420004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404000420029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11222233872 + ... + 11222233907.

It is an arithmetic number, because the mean of its divisors is an integer number (72944520285).

Almost surely, 2^404000420022 is an apocalyptic number.

404000420022 is an abundant number, since it is smaller than the sum of its proper divisors (471333823398).

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

404000420022 is a wasteful number, since it uses less digits than its factorization.

404000420022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22444467787 (or 22444467784 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 404000420022 its reverse (220024000404), we get a palindrome (624024420426).

The spelling of 404000420022 in words is "four hundred four billion, four hundred twenty thousand, twenty-two".