42387951768 has 32 divisors (see below), whose sum is σ = 105975504960. Its totient is φ = 14128567200.

The previous prime is 42387951743. The next prime is 42387951779. The reversal of 42387951768 is 86715978324.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 592743 + ... + 660393.

It is an arithmetic number, because the mean of its divisors is an integer number (3311734530).

Almost surely, 2^42387951768 is an apocalyptic number.

It is an amenable number.

42387951768 is an abundant number, since it is smaller than the sum of its proper divisors (63587553192).

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

42387951768 is a wasteful number, since it uses less digits than its factorization.

42387951768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93767 (or 93763 counting only the distinct ones).

The product of its digits is 20321280, while the sum is 60.

The spelling of 42387951768 in words is "forty-two billion, three hundred eighty-seven million, nine hundred fifty-one thousand, seven hundred sixty-eight".