44424220420 has 12 divisors (see below), whose sum is σ = 93290862924. Its totient is φ = 17769688160.

The previous prime is 44424220403. The next prime is 44424220447. The reversal of 44424220420 is 2402242444.

It can be written as a sum of positive squares in 2 ways, for example, as 11040545476 + 33383674944 = 105074^2 + 182712^2 .

It is a super-2 number, since 2×44424220420² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1110605491 + ... + 1110605530.

It is an arithmetic number, because the mean of its divisors is an integer number (7774238577).

Almost surely, 2^44424220420 is an apocalyptic number.

It is an amenable number.

44424220420 is an abundant number, since it is smaller than the sum of its proper divisors (48866642504).

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

44424220420 is a wasteful number, since it uses less digits than its factorization.

44424220420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2221211030 (or 2221211028 counting only the distinct ones).

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

Adding to 44424220420 its reverse (2402242444), we get a palindrome (46826462864).

The spelling of 44424220420 in words is "forty-four billion, four hundred twenty-four million, two hundred twenty thousand, four hundred twenty".