42757285868 has 24 divisors (see below), whose sum is σ = 81862812864. Its totient is φ = 19379114000.

The previous prime is 42757285861. The next prime is 42757285933. The reversal of 42757285868 is 86858275724.

It is a self number, because there is not a number n which added to its sum of digits gives 42757285868.

It is not an unprimeable number, because it can be changed into a prime (42757285861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1384958 + ... + 1415493.

It is an arithmetic number, because the mean of its divisors is an integer number (3410950536).

Almost surely, 2^42757285868 is an apocalyptic number.

It is an amenable number.

42757285868 is a deficient number, since it is larger than the sum of its proper divisors (39105526996).

42757285868 is a wasteful number, since it uses less digits than its factorization.

42757285868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2800813 (or 2800811 counting only the distinct ones).

The product of its digits is 60211200, while the sum is 62.

The spelling of 42757285868 in words is "forty-two billion, seven hundred fifty-seven million, two hundred eighty-five thousand, eight hundred sixty-eight".