42738566252 has 12 divisors (see below), whose sum is σ = 74821827696. Its totient is φ = 21360901200.

The previous prime is 42738566251. The next prime is 42738566263. The reversal of 42738566252 is 25266583724.

It is a self number, because there is not a number n which added to its sum of digits gives 42738566252.

It is not an unprimeable number, because it can be changed into a prime (42738566251) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 2084003 + ... + 2104410.

It is an arithmetic number, because the mean of its divisors is an integer number (6235152308).

Almost surely, 2^42738566252 is an apocalyptic number.

It is an amenable number.

42738566252 is a deficient number, since it is larger than the sum of its proper divisors (32083261444).

42738566252 is a wasteful number, since it uses less digits than its factorization.

42738566252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4190968 (or 4190966 counting only the distinct ones).

The product of its digits is 4838400, while the sum is 50.

The spelling of 42738566252 in words is "forty-two billion, seven hundred thirty-eight million, five hundred sixty-six thousand, two hundred fifty-two".