404340024220 has 48 divisors (see below), whose sum is σ = 926360114400. Its totient is φ = 147024184320.

The previous prime is 404340024133. The next prime is 404340024223. The reversal of 404340024220 is 22420043404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404340024223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4693696 + ... + 4779064.

It is an arithmetic number, because the mean of its divisors is an integer number (19299169050).

Almost surely, 2^404340024220 is an apocalyptic number.

It is an amenable number.

404340024220 is an abundant number, since it is smaller than the sum of its proper divisors (522020090180).

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

404340024220 is a wasteful number, since it uses less digits than its factorization.

404340024220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106918 (or 106916 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

Adding to 404340024220 its reverse (22420043404), we get a palindrome (426760067624).

The spelling of 404340024220 in words is "four hundred four billion, three hundred forty million, twenty-four thousand, two hundred twenty".