404220433420 has 48 divisors (see below), whose sum is σ = 884434940928. Its totient is φ = 155010041280.

The previous prime is 404220433343. The next prime is 404220433453. The reversal of 404220433420 is 24334022404.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2980242 + ... + 3112921.

It is an arithmetic number, because the mean of its divisors is an integer number (18425727936).

Almost surely, 2^404220433420 is an apocalyptic number.

It is an amenable number.

404220433420 is an abundant number, since it is smaller than the sum of its proper divisors (480214507508).

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

404220433420 is a wasteful number, since it uses less digits than its factorization.

404220433420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6093310 (or 6093308 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 404220433420 its reverse (24334022404), we get a palindrome (428554455824).

The spelling of 404220433420 in words is "four hundred four billion, two hundred twenty million, four hundred thirty-three thousand, four hundred twenty".