42185364 has 48 divisors (see below), whose sum is σ = 112246848. Its totient is φ = 12215808.

The previous prime is 42185333. The next prime is 42185371. The reversal of 42185364 is 46358124.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5302 + ... + 10605.

It is an arithmetic number, because the mean of its divisors is an integer number (2338476).

Almost surely, 2^42185364 is an apocalyptic number.

It is an amenable number.

42185364 is an abundant number, since it is smaller than the sum of its proper divisors (70061484).

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

42185364 is a wasteful number, since it uses less digits than its factorization.

42185364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15944 (or 15942 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 42185364 is about 6495.0260969453. The cubic root of 42185364 is about 348.1132872018.

The spelling of 42185364 in words is "forty-two million, one hundred eighty-five thousand, three hundred sixty-four".