42165555104 has 24 divisors (see below), whose sum is σ = 83264253408. Its totient is φ = 21019078080.

The previous prime is 42165555101. The next prime is 42165555143. The reversal of 42165555104 is 40155556124.

It is not an unprimeable number, because it can be changed into a prime (42165555101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1979852 + ... + 2001035.

It is an arithmetic number, because the mean of its divisors is an integer number (3469343892).

Almost surely, 2^42165555104 is an apocalyptic number.

It is an amenable number.

42165555104 is a deficient number, since it is larger than the sum of its proper divisors (41098698304).

42165555104 is a wasteful number, since it uses less digits than its factorization.

42165555104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3981228 (or 3981220 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 38.

The spelling of 42165555104 in words is "forty-two billion, one hundred sixty-five million, five hundred fifty-five thousand, one hundred four".