224424120040 has 64 divisors (see below), whose sum is σ = 523212048000. Its totient is φ = 86533843200.

The previous prime is 224424120023. The next prime is 224424120043. The reversal of 224424120040 is 40021424422.

It is a junction number, because it is equal to n+sod(n) for n = 224424119987 and 224424120014.

It is not an unprimeable number, because it can be changed into a prime (224424120043) 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, 561765 + ... + 874315.

It is an arithmetic number, because the mean of its divisors is an integer number (8175188250).

Almost surely, 2^224424120040 is an apocalyptic number.

224424120040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 224424120040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (261606024000).

224424120040 is an abundant number, since it is smaller than the sum of its proper divisors (298787927960).

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

224424120040 is a wasteful number, since it uses less digits than its factorization.

224424120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313210 (or 313206 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 224424120040 its reverse (40021424422), we get a palindrome (264445544462).

The spelling of 224424120040 in words is "two hundred twenty-four billion, four hundred twenty-four million, one hundred twenty thousand, forty".