42185464 has 16 divisors (see below), whose sum is σ = 79446600. Its totient is φ = 20999712.

The previous prime is 42185419. The next prime is 42185471. The reversal of 42185464 is 46458124.

42185464 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×42185464² = 3559226745790592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9682 + ... + 13345.

Almost surely, 2^42185464 is an apocalyptic number.

It is an amenable number.

42185464 is a deficient number, since it is larger than the sum of its proper divisors (37261136).

42185464 is a wasteful number, since it uses less digits than its factorization.

42185464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23262 (or 23258 counting only the distinct ones).

The product of its digits is 30720, while the sum is 34.

The square root of 42185464 is about 6495.0337951392. The cubic root of 42185464 is about 348.1135622680.

The spelling of 42185464 in words is "forty-two million, one hundred eighty-five thousand, four hundred sixty-four".