42385512 has 32 divisors (see below), whose sum is σ = 114115680. Its totient is φ = 13041600.

The previous prime is 42385507. The next prime is 42385517. The reversal of 42385512 is 21558324.

It is an interprime number because it is at equal distance from previous prime (42385507) and next prime (42385517).

It is a self number, because there is not a number n which added to its sum of digits gives 42385512.

It is not an unprimeable number, because it can be changed into a prime (42385517) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67614 + ... + 68237.

It is an arithmetic number, because the mean of its divisors is an integer number (3566115).

Almost surely, 2^42385512 is an apocalyptic number.

It is an amenable number.

42385512 is an abundant number, since it is smaller than the sum of its proper divisors (71730168).

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

42385512 is a wasteful number, since it uses less digits than its factorization.

42385512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135873 (or 135869 counting only the distinct ones).

The product of its digits is 9600, while the sum is 30.

The square root of 42385512 is about 6510.4156549333. The cubic root of 42385512 is about 348.6629587125.

The spelling of 42385512 in words is "forty-two million, three hundred eighty-five thousand, five hundred twelve".