40842816388 has 12 divisors (see below), whose sum is σ = 77972649552. Its totient is φ = 18564916520.

The previous prime is 40842816383. The next prime is 40842816397. The reversal of 40842816388 is 88361824804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40842816383) by changing a digit.

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, 464122870 + ... + 464122957.

It is an arithmetic number, because the mean of its divisors is an integer number (6497720796).

Almost surely, 2^40842816388 is an apocalyptic number.

It is an amenable number.

40842816388 is a deficient number, since it is larger than the sum of its proper divisors (37129833164).

40842816388 is a wasteful number, since it uses less digits than its factorization.

40842816388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 928245842 (or 928245840 counting only the distinct ones).

The product of its (nonzero) digits is 2359296, while the sum is 52.

The spelling of 40842816388 in words is "forty billion, eight hundred forty-two million, eight hundred sixteen thousand, three hundred eighty-eight".