42215968 has 24 divisors (see below), whose sum is σ = 83719440. Its totient is φ = 20953920.

The previous prime is 42215939. The next prime is 42215969. The reversal of 42215968 is 86951224.

It is not an unprimeable number, because it can be changed into a prime (42215969) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 298 + ... + 9193.

It is an arithmetic number, because the mean of its divisors is an integer number (3488310).

Almost surely, 2^42215968 is an apocalyptic number.

It is an amenable number.

42215968 is a deficient number, since it is larger than the sum of its proper divisors (41503472).

42215968 is a wasteful number, since it uses less digits than its factorization.

42215968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640 (or 9632 counting only the distinct ones).

The product of its digits is 34560, while the sum is 37.

The square root of 42215968 is about 6497.3816264708. The cubic root of 42215968 is about 348.1974481744.

The spelling of 42215968 in words is "forty-two million, two hundred fifteen thousand, nine hundred sixty-eight".