42665941860 has 24 divisors (see below), whose sum is σ = 119464637376. Its totient is φ = 11377584480.

The previous prime is 42665941849. The next prime is 42665941907. The reversal of 42665941860 is 6814956624.

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, 355549456 + ... + 355549575.

It is an arithmetic number, because the mean of its divisors is an integer number (4977693224).

Almost surely, 2^42665941860 is an apocalyptic number.

It is an amenable number.

42665941860 is an abundant number, since it is smaller than the sum of its proper divisors (76798695516).

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

42665941860 is a wasteful number, since it uses less digits than its factorization.

42665941860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711099043 (or 711099041 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 51.

The spelling of 42665941860 in words is "forty-two billion, six hundred sixty-five million, nine hundred forty-one thousand, eight hundred sixty".