42134925868 has 48 divisors (see below), whose sum is σ = 85880811520. Its totient is φ = 17715537216.

The previous prime is 42134925841. The next prime is 42134925869. The reversal of 42134925868 is 86852943124.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42134925869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286621 + ... + 407947.

Almost surely, 2^42134925868 is an apocalyptic number.

It is an amenable number.

42134925868 is an abundant number, since it is smaller than the sum of its proper divisors (43745885652).

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

42134925868 is a wasteful number, since it uses less digits than its factorization.

42134925868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121574 (or 121572 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 52.

The spelling of 42134925868 in words is "forty-two billion, one hundred thirty-four million, nine hundred twenty-five thousand, eight hundred sixty-eight".