4420220424040 has 96 divisors (see below), whose sum is σ = 10573827373080. Its totient is φ = 1662682923008.

The previous prime is 4420220423987. The next prime is 4420220424041. The reversal of 4420220424040 is 404240220244.

It can be written as a sum of positive squares in 12 ways, for example, as 960999853636 + 3459220570404 = 980306^2 + 1859898^2 .

It is not an unprimeable number, because it can be changed into a prime (4420220424041) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13630824 + ... + 13951336.

Almost surely, 2^{4420220424040} is an apocalyptic number.

4420220424040 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 4420220424040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5286913686540).

4420220424040 is an abundant number, since it is smaller than the sum of its proper divisors (6153606949040).

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

4420220424040 is a wasteful number, since it uses less digits than its factorization.

4420220424040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321751 (or 321730 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 4420220424040 its reverse (404240220244), we get a palindrome (4824460644284).

The spelling of 4420220424040 in words is "four trillion, four hundred twenty billion, two hundred twenty million, four hundred twenty-four thousand, forty".