42443505244 has 12 divisors (see below), whose sum is σ = 84887010544. Its totient is φ = 18190073664.

The previous prime is 42443505217. The next prime is 42443505257. The reversal of 42443505244 is 44250534424.

42443505244 is an admirable number.

It is a super-2 number, since 2×42443505244² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 757919709 + ... + 757919764.

Almost surely, 2^42443505244 is an apocalyptic number.

It is an amenable number.

42443505244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

42443505244 is a wasteful number, since it uses less digits than its factorization.

42443505244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1515839484 (or 1515839482 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 37.

The spelling of 42443505244 in words is "forty-two billion, four hundred forty-three million, five hundred five thousand, two hundred forty-four".