404420341220 has 96 divisors (see below), whose sum is σ = 974701728000. Its totient is φ = 138074909184.

The previous prime is 404420341207. The next prime is 404420341243. The reversal of 404420341220 is 22143024404.

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 404420341220.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35012006 + ... + 35023554.

It is an arithmetic number, because the mean of its divisors is an integer number (10153143000).

Almost surely, 2^404420341220 is an apocalyptic number.

It is an amenable number.

404420341220 is an abundant number, since it is smaller than the sum of its proper divisors (570281386780).

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

404420341220 is a wasteful number, since it uses less digits than its factorization.

404420341220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12597 (or 12595 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 404420341220 its reverse (22143024404), we get a palindrome (426563365624).

The spelling of 404420341220 in words is "four hundred four billion, four hundred twenty million, three hundred forty-one thousand, two hundred twenty".