42538970968 has 32 divisors (see below), whose sum is σ = 86341096800. Its totient is φ = 19531634688.

The previous prime is 42538970963. The next prime is 42538970977. The reversal of 42538970968 is 86907983524.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42538970963) 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 7 ways as a sum of consecutive naturals, for example, 1039588 + ... + 1079731.

It is an arithmetic number, because the mean of its divisors is an integer number (2698159275).

Almost surely, 2^42538970968 is an apocalyptic number.

It is an amenable number.

42538970968 is an abundant number, since it is smaller than the sum of its proper divisors (43802125832).

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

42538970968 is a wasteful number, since it uses less digits than its factorization.

42538970968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2119531 (or 2119527 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 61.

The spelling of 42538970968 in words is "forty-two billion, five hundred thirty-eight million, nine hundred seventy thousand, nine hundred sixty-eight".