42064188 has 24 divisors (see below), whose sum is σ = 103923792. Its totient is φ = 13196544.

The previous prime is 42064129. The next prime is 42064213. The reversal of 42064188 is 88146024.

It is a congruent number.

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, 102895 + ... + 103302.

It is an arithmetic number, because the mean of its divisors is an integer number (4330158).

Almost surely, 2^42064188 is an apocalyptic number.

It is an amenable number.

42064188 is an abundant number, since it is smaller than the sum of its proper divisors (61859604).

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

42064188 is a wasteful number, since it uses less digits than its factorization.

42064188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206221 (or 206219 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 33.

The square root of 42064188 is about 6485.6910194674. The cubic root of 42064188 is about 347.7796530850.

The spelling of 42064188 in words is "forty-two million, sixty-four thousand, one hundred eighty-eight".