424144433104 has 80 divisors (see below), whose sum is σ = 989279539200. Its totient is φ = 172091924352.

The previous prime is 424144433099. The next prime is 424144433147. The reversal of 424144433104 is 401334441424.

It is a super-2 number, since 2×424144433104² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 424144433104.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3097317 + ... + 3231355.

It is an arithmetic number, because the mean of its divisors is an integer number (12365994240).

Almost surely, 2^424144433104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424144433104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (494639769600).

424144433104 is an abundant number, since it is smaller than the sum of its proper divisors (565135106096).

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

424144433104 is a wasteful number, since it uses less digits than its factorization.

424144433104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135560 (or 135554 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

Adding to 424144433104 its reverse (401334441424), we get a palindrome (825478874528).

The spelling of 424144433104 in words is "four hundred twenty-four billion, one hundred forty-four million, four hundred thirty-three thousand, one hundred four".