404144301220 has 48 divisors (see below), whose sum is σ = 926378022528. Its totient is φ = 146878997760.

The previous prime is 404144301203. The next prime is 404144301227. The reversal of 404144301220 is 22103441404.

It is not an unprimeable number, because it can be changed into a prime (404144301227) 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, 122889 + ... + 907408.

It is an arithmetic number, because the mean of its divisors is an integer number (19299542136).

Almost surely, 2^404144301220 is an apocalyptic number.

It is an amenable number.

404144301220 is an abundant number, since it is smaller than the sum of its proper divisors (522233721308).

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

404144301220 is a wasteful number, since it uses less digits than its factorization.

404144301220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032100 (or 1032098 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 404144301220 its reverse (22103441404), we get a palindrome (426247742624).

The spelling of 404144301220 in words is "four hundred four billion, one hundred forty-four million, three hundred one thousand, two hundred twenty".