42244662644 has 12 divisors (see below), whose sum is σ = 74200959168. Its totient is φ = 21044388600.

The previous prime is 42244662641. The next prime is 42244662661. The reversal of 42244662644 is 44626644224.

It is a super-2 number, since 2×42244662644² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42244662595 and 42244662604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42244662641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19484462 + ... + 19486629.

It is an arithmetic number, because the mean of its divisors is an integer number (6183413264).

Almost surely, 2^42244662644 is an apocalyptic number.

It is an amenable number.

42244662644 is a deficient number, since it is larger than the sum of its proper divisors (31956296524).

42244662644 is a wasteful number, since it uses less digits than its factorization.

42244662644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38971366 (or 38971364 counting only the distinct ones).

The product of its digits is 1769472, while the sum is 44.

The spelling of 42244662644 in words is "forty-two billion, two hundred forty-four million, six hundred sixty-two thousand, six hundred forty-four".