42242908 has 24 divisors (see below), whose sum is σ = 77928480. Its totient is φ = 20005440.

The previous prime is 42242887. The next prime is 42242911. The reversal of 42242908 is 80924224.

It is a self number, because there is not a number n which added to its sum of digits gives 42242908.

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, 2713 + ... + 9583.

It is an arithmetic number, because the mean of its divisors is an integer number (3247020).

Almost surely, 2^42242908 is an apocalyptic number.

It is an amenable number.

42242908 is a deficient number, since it is larger than the sum of its proper divisors (35685572).

42242908 is a wasteful number, since it uses less digits than its factorization.

42242908 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6957 (or 6955 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 31.

The square root of 42242908 is about 6499.4544386433. The cubic root of 42242908 is about 348.2714994954.

The spelling of 42242908 in words is "forty-two million, two hundred forty-two thousand, nine hundred eight".