42165560122 has 32 divisors (see below), whose sum is σ = 76652231040. Its totient is φ = 16982085120.

The previous prime is 42165560113. The next prime is 42165560123. The reversal of 42165560122 is 22106556124.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (42165560123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22422 + ... + 291262.

It is an arithmetic number, because the mean of its divisors is an integer number (2395382220).

Almost surely, 2^42165560122 is an apocalyptic number.

42165560122 is a deficient number, since it is larger than the sum of its proper divisors (34486670918).

42165560122 is a wasteful number, since it uses less digits than its factorization.

42165560122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269526.

The product of its (nonzero) digits is 28800, while the sum is 34.

The spelling of 42165560122 in words is "forty-two billion, one hundred sixty-five million, five hundred sixty thousand, one hundred twenty-two".