42755384 has 32 divisors (see below), whose sum is σ = 91998720. Its totient is φ = 18247776.

The previous prime is 42755351. The next prime is 42755407. The reversal of 42755384 is 48355724.

It is a happy number.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 13277 + ... + 16179.

It is an arithmetic number, because the mean of its divisors is an integer number (2874960).

Almost surely, 2^42755384 is an apocalyptic number.

It is an amenable number.

42755384 is an abundant number, since it is smaller than the sum of its proper divisors (49243336).

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

42755384 is a wasteful number, since it uses less digits than its factorization.

42755384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179 (or 3175 counting only the distinct ones).

The product of its digits is 134400, while the sum is 38.

The square root of 42755384 is about 6538.7601271189. The cubic root of 42755384 is about 349.6742111273.

The spelling of 42755384 in words is "forty-two million, seven hundred fifty-five thousand, three hundred eighty-four".