42381208 has 32 divisors (see below), whose sum is σ = 82020960. Its totient is φ = 20517120.

The previous prime is 42381197. The next prime is 42381223. The reversal of 42381208 is 80218324.

42381208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 51085 + ... + 51907.

It is an arithmetic number, because the mean of its divisors is an integer number (2563155).

Almost surely, 2^42381208 is an apocalyptic number.

It is an amenable number.

42381208 is a deficient number, since it is larger than the sum of its proper divisors (39639752).

42381208 is a wasteful number, since it uses less digits than its factorization.

42381208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1027 (or 1023 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 42381208 is about 6510.0850992902. The cubic root of 42381208 is about 348.6511567539.

The spelling of 42381208 in words is "forty-two million, three hundred eighty-one thousand, two hundred eight".