42104394180 has 36 divisors (see below), whose sum is σ = 127716662892. Its totient is φ = 11227838400.

The previous prime is 42104394127. The next prime is 42104394181. The reversal of 42104394180 is 8149340124.

It is a happy number.

42104394180 is a `hidden beast` number, since 4 + 210 + 439 + 4 + 1 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 8773319556 + 33331074624 = 93666^2 + 182568^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (42104394181) 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 11 ways as a sum of consecutive naturals, for example, 116956471 + ... + 116956830.

Almost surely, 2^42104394180 is an apocalyptic number.

It is an amenable number.

42104394180 is an abundant number, since it is smaller than the sum of its proper divisors (85612268712).

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

42104394180 is a wasteful number, since it uses less digits than its factorization.

42104394180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 233913316 (or 233913311 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The spelling of 42104394180 in words is "forty-two billion, one hundred four million, three hundred ninety-four thousand, one hundred eighty".