40245684868 has 12 divisors (see below), whose sum is σ = 71623676880. Its totient is φ = 19781777192.

The previous prime is 40245684833. The next prime is 40245684883. The reversal of 40245684868 is 86848654204.

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 3 ways as a sum of consecutive naturals, for example, 85266046 + ... + 85266517.

It is an arithmetic number, because the mean of its divisors is an integer number (5968639740).

Almost surely, 2^40245684868 is an apocalyptic number.

It is an amenable number.

40245684868 is a deficient number, since it is larger than the sum of its proper divisors (31377992012).

40245684868 is a wasteful number, since it uses less digits than its factorization.

40245684868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170532626 (or 170532624 counting only the distinct ones).

The product of its (nonzero) digits is 11796480, while the sum is 55.

The spelling of 40245684868 in words is "forty billion, two hundred forty-five million, six hundred eighty-four thousand, eight hundred sixty-eight".