42421023268 has 72 divisors (see below), whose sum is σ = 83988672768. Its totient is φ = 18703795968.

The previous prime is 42421023257. The next prime is 42421023277. The reversal of 42421023268 is 86232012424.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18547621 + ... + 18549907.

It is an arithmetic number, because the mean of its divisors is an integer number (1166509344).

Almost surely, 2^42421023268 is an apocalyptic number.

It is an amenable number.

42421023268 is a deficient number, since it is larger than the sum of its proper divisors (41567649500).

42421023268 is a wasteful number, since it uses less digits than its factorization.

42421023268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3533 (or 3518 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 34.

The spelling of 42421023268 in words is "forty-two billion, four hundred twenty-one million, twenty-three thousand, two hundred sixty-eight".