40841881608 has 128 divisors (see below), whose sum is σ = 118203131520. Its totient is φ = 11622236160.

The previous prime is 40841881601. The next prime is 40841881621. The reversal of 40841881608 is 80618814804.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (40841881601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2041060 + ... + 2060972.

It is an arithmetic number, because the mean of its divisors is an integer number (923461965).

Almost surely, 2^40841881608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40841881608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59101565760).

40841881608 is an abundant number, since it is smaller than the sum of its proper divisors (77361249912).

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

40841881608 is a wasteful number, since it uses less digits than its factorization.

40841881608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20407 (or 20403 counting only the distinct ones).

The product of its (nonzero) digits is 393216, while the sum is 48.

The spelling of 40841881608 in words is "forty billion, eight hundred forty-one million, eight hundred eighty-one thousand, six hundred eight".