42018185660 has 48 divisors (see below), whose sum is σ = 101922196320. Its totient is φ = 14380554240.

The previous prime is 42018185659. The next prime is 42018185669. The reversal of 42018185660 is 6658181024.

42018185660 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42018185669) 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, 5613665 + ... + 5621144.

It is an arithmetic number, because the mean of its divisors is an integer number (2123379090).

Almost surely, 2^42018185660 is an apocalyptic number.

It is an amenable number.

42018185660 is an abundant number, since it is smaller than the sum of its proper divisors (59904010660).

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

42018185660 is a wasteful number, since it uses less digits than its factorization.

42018185660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11234846 (or 11234844 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 41.

The spelling of 42018185660 in words is "forty-two billion, eighteen million, one hundred eighty-five thousand, six hundred sixty".