404511342420 has 96 divisors (see below), whose sum is σ = 1171917774720. Its totient is φ = 104129625600.

The previous prime is 404511342419. The next prime is 404511342427. The reversal of 404511342420 is 24243115404.

It is a super-2 number, since 2×404511342420² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404511342427) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10160874 + ... + 10200606.

It is an arithmetic number, because the mean of its divisors is an integer number (12207476820).

Almost surely, 2^404511342420 is an apocalyptic number.

It is an amenable number.

404511342420 is an abundant number, since it is smaller than the sum of its proper divisors (767406432300).

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

404511342420 is a wasteful number, since it uses less digits than its factorization.

404511342420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45625 (or 45623 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

Adding to 404511342420 its reverse (24243115404), we get a palindrome (428754457824).

The spelling of 404511342420 in words is "four hundred four billion, five hundred eleven million, three hundred forty-two thousand, four hundred twenty".