404401414020 has 24 divisors (see below), whose sum is σ = 1132323959424. Its totient is φ = 107840377056.

The previous prime is 404401413991. The next prime is 404401414091. The reversal of 404401414020 is 20414104404.

It is a happy number.

It is a super-2 number, since 2×404401414020² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3370011724 + ... + 3370011843.

It is an arithmetic number, because the mean of its divisors is an integer number (47180164976).

Almost surely, 2^404401414020 is an apocalyptic number.

It is an amenable number.

404401414020 is an abundant number, since it is smaller than the sum of its proper divisors (727922545404).

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

404401414020 is a wasteful number, since it uses less digits than its factorization.

404401414020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6740023579 (or 6740023577 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 404401414020 its reverse (20414104404), we get a palindrome (424815518424).

The spelling of 404401414020 in words is "four hundred four billion, four hundred one million, four hundred fourteen thousand, twenty".