42445937568 has 48 divisors (see below), whose sum is σ = 111570734016. Its totient is φ = 14129579520.

The previous prime is 42445937563. The next prime is 42445937579. The reversal of 42445937568 is 86573954424.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (42445937563) 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, 226213 + ... + 368868.

It is an arithmetic number, because the mean of its divisors is an integer number (2324390292).

Almost surely, 2^42445937568 is an apocalyptic number.

42445937568 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

42445937568 is an abundant number, since it is smaller than the sum of its proper divisors (69124796448).

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

42445937568 is a wasteful number, since it uses less digits than its factorization.

42445937568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 595837 (or 595829 counting only the distinct ones).

The product of its digits is 29030400, while the sum is 57.

The spelling of 42445937568 in words is "forty-two billion, four hundred forty-five million, nine hundred thirty-seven thousand, five hundred sixty-eight".