420224442044 has 24 divisors (see below), whose sum is σ = 805575506736. Its totient is φ = 190218528000.

The previous prime is 420224442041. The next prime is 420224442067. The reversal of 420224442044 is 440244422024.

It is a super-2 number, since 2×420224442044² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 420224442044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420224442041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19803827 + ... + 19825034.

It is an arithmetic number, because the mean of its divisors is an integer number (33565646114).

Almost surely, 2^420224442044 is an apocalyptic number.

420224442044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

420224442044 is a deficient number, since it is larger than the sum of its proper divisors (385351064692).

420224442044 is a wasteful number, since it uses less digits than its factorization.

420224442044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39629117 (or 39629115 counting only the distinct ones).

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

Adding to 420224442044 its reverse (440244422024), we get a palindrome (860468864068).

It can be divided in two parts, 420224 and 442044, that added together give a palindrome (862268).

The spelling of 420224442044 in words is "four hundred twenty billion, two hundred twenty-four million, four hundred forty-two thousand, forty-four".