40816868842 has 16 divisors (see below), whose sum is σ = 61583201280. Its totient is φ = 20289418128.

The previous prime is 40816868839. The next prime is 40816868857. The reversal of 40816868842 is 24886861804.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 219808 + ... + 360484.

It is an arithmetic number, because the mean of its divisors is an integer number (3848950080).

Almost surely, 2^40816868842 is an apocalyptic number.

40816868842 is a deficient number, since it is larger than the sum of its proper divisors (20766332438).

40816868842 is a wasteful number, since it uses less digits than its factorization.

40816868842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141525.

The product of its (nonzero) digits is 4718592, while the sum is 55.

The spelling of 40816868842 in words is "forty billion, eight hundred sixteen million, eight hundred sixty-eight thousand, eight hundred forty-two".