42544622012 has 12 divisors (see below), whose sum is σ = 74647485696. Its totient is φ = 21216768960.

The previous prime is 42544622011. The next prime is 42544622089. The reversal of 42544622012 is 21022644524.

It is a self number, because there is not a number n which added to its sum of digits gives 42544622012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42544622011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13883789 + ... + 13886852.

It is an arithmetic number, because the mean of its divisors is an integer number (6220623808).

Almost surely, 2^42544622012 is an apocalyptic number.

It is an amenable number.

42544622012 is a deficient number, since it is larger than the sum of its proper divisors (32102863684).

42544622012 is a wasteful number, since it uses less digits than its factorization.

42544622012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27771028 (or 27771026 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 32.

The spelling of 42544622012 in words is "forty-two billion, five hundred forty-four million, six hundred twenty-two thousand, twelve".