4402444040420 has 24 divisors (see below), whose sum is σ = 9252372266424. Its totient is φ = 1759598610176.

The previous prime is 4402444040383. The next prime is 4402444040447. The reversal of 4402444040420 is 240404442044.

It can be written as a sum of positive squares in 4 ways, for example, as 84202110976 + 4318241929444 = 290176^2 + 2078038^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86161697 + ... + 86212776.

It is an arithmetic number, because the mean of its divisors is an integer number (385515511101).

Almost surely, 2^{4402444040420} is an apocalyptic number.

It is an amenable number.

4402444040420 is an abundant number, since it is smaller than the sum of its proper divisors (4849928226004).

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

4402444040420 is a wasteful number, since it uses less digits than its factorization.

4402444040420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172375759 (or 172375757 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 4402444040420 its reverse (240404442044), we get a palindrome (4642848482464).

The spelling of 4402444040420 in words is "four trillion, four hundred two billion, four hundred forty-four million, forty thousand, four hundred twenty".