42644044220 has 48 divisors (see below), whose sum is σ = 94294532640. Its totient is φ = 16154919936.

The previous prime is 42644044169. The next prime is 42644044271. The reversal of 42644044220 is 2244044624.

It is an interprime number because it is at equal distance from previous prime (42644044169) and next prime (42644044271).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1380464 + ... + 1411016.

It is an arithmetic number, because the mean of its divisors is an integer number (1964469430).

Almost surely, 2^42644044220 is an apocalyptic number.

It is an amenable number.

42644044220 is an abundant number, since it is smaller than the sum of its proper divisors (51650488420).

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

42644044220 is a wasteful number, since it uses less digits than its factorization.

42644044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34254 (or 34252 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 42644044220 its reverse (2244044624), we get a palindrome (44888088844).

It can be divided in two parts, 4264404 and 4220, that added together give a palindrome (4268624).

The spelling of 42644044220 in words is "forty-two billion, six hundred forty-four million, forty-four thousand, two hundred twenty".