4224442040 has 128 divisors (see below), whose sum is σ = 11778480000. Its totient is φ = 1327822848.

The previous prime is 4224442003. The next prime is 4224442043. The reversal of 4224442040 is 402444224.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4224442043) 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, 538466 + ... + 546254.

It is an arithmetic number, because the mean of its divisors is an integer number (92019375).

Almost surely, 2^4224442040 is an apocalyptic number.

4224442040 is a gapful number since it is divisible by the number (40) 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 4224442040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5889240000).

4224442040 is an abundant number, since it is smaller than the sum of its proper divisors (7554037960).

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

4224442040 is a wasteful number, since it uses less digits than its factorization.

4224442040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7969 (or 7965 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

The square root of 4224442040 is about 64995.7078582886. The cubic root of 4224442040 is about 1616.5523948470.

Adding to 4224442040 its reverse (402444224), we get a palindrome (4626886264).

The spelling of 4224442040 in words is "four billion, two hundred twenty-four million, four hundred forty-two thousand, forty".