42244647776 has 12 divisors (see below), whose sum is σ = 83169150372. Its totient is φ = 21122323872.

The previous prime is 42244647751. The next prime is 42244647787. The reversal of 42244647776 is 67774644224.

It is a happy number.

It is a super-2 number, since 2×42244647776² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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 as a sum of consecutive naturals, namely, 660072590 + ... + 660072653.

It is an arithmetic number, because the mean of its divisors is an integer number (6930762531).

Almost surely, 2^42244647776 is an apocalyptic number.

It is an amenable number.

42244647776 is a deficient number, since it is larger than the sum of its proper divisors (40924502596).

42244647776 is a wasteful number, since it uses less digits than its factorization.

42244647776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1320145253 (or 1320145245 counting only the distinct ones).

The product of its digits is 12644352, while the sum is 53.

The spelling of 42244647776 in words is "forty-two billion, two hundred forty-four million, six hundred forty-seven thousand, seven hundred seventy-six".