42185416 has 32 divisors (see below), whose sum is σ = 97352640. Its totient is φ = 16688448.

The previous prime is 42185399. The next prime is 42185417. The reversal of 42185416 is 61458124.

It is not an unprimeable number, because it can be changed into a prime (42185417) 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, 28246 + ... + 29701.

It is an arithmetic number, because the mean of its divisors is an integer number (3042270).

Almost surely, 2^42185416 is an apocalyptic number.

It is an amenable number.

42185416 is an abundant number, since it is smaller than the sum of its proper divisors (55167224).

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

42185416 is a wasteful number, since it uses less digits than its factorization.

42185416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57973 (or 57969 counting only the distinct ones).

The product of its digits is 7680, while the sum is 31.

The square root of 42185416 is about 6495.0301000072. The cubic root of 42185416 is about 348.1134302363.

The spelling of 42185416 in words is "forty-two million, one hundred eighty-five thousand, four hundred sixteen".