4424224044420 has 36 divisors (see below), whose sum is σ = 13420146268620. Its totient is φ = 1179793078464.

The previous prime is 4424224044407. The next prime is 4424224044437. The reversal of 4424224044420 is 244404224244.

4424224044420 is a `hidden beast` number, since 4 + 4 + 2 + 4 + 224 + 0 + 4 + 4 + 420 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2228380186176 + 2195843858244 = 1492776^2 + 1481838^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12289511055 + ... + 12289511414.

It is an arithmetic number, because the mean of its divisors is an integer number (372781840795).

Almost surely, 2^{4424224044420} is an apocalyptic number.

It is an amenable number.

4424224044420 is an abundant number, since it is smaller than the sum of its proper divisors (8995922224200).

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

4424224044420 is a wasteful number, since it uses less digits than its factorization.

4424224044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24579022484 (or 24579022479 counting only the distinct ones).

The product of its (nonzero) digits is 262144, while the sum is 36.

Adding to 4424224044420 its reverse (244404224244), we get a palindrome (4668628268664).

The spelling of 4424224044420 in words is "four trillion, four hundred twenty-four billion, two hundred twenty-four million, forty-four thousand, four hundred twenty".