42159884 has 24 divisors (see below), whose sum is σ = 80647728. Its totient is φ = 19166400.

The previous prime is 42159877. The next prime is 42159889. The reversal of 42159884 is 48895124.

42159884 = T₃₅₆ + T₃₅₇ + ... + T₆₆₇.

It is not an unprimeable number, because it can be changed into a prime (42159889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2567 + ... + 9534.

It is an arithmetic number, because the mean of its divisors is an integer number (3360322).

Almost surely, 2^42159884 is an apocalyptic number.

It is an amenable number.

42159884 is a deficient number, since it is larger than the sum of its proper divisors (38487844).

42159884 is a wasteful number, since it uses less digits than its factorization.

42159884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12185 (or 12183 counting only the distinct ones).

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

The square root of 42159884 is about 6493.0642996970. The cubic root of 42159884 is about 348.0431861673.

The spelling of 42159884 in words is "forty-two million, one hundred fifty-nine thousand, eight hundred eighty-four".