40889212178 has 12 divisors (see below), whose sum is σ = 62866256730. Its totient is φ = 19945955520.

The previous prime is 40889212163. The next prime is 40889212237. The reversal of 40889212178 is 87121298804.

40889212178 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 8201656969 + 32687555209 = 90563^2 + 180797^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6077723 + ... + 6084446.

Almost surely, 2^40889212178 is an apocalyptic number.

40889212178 is a deficient number, since it is larger than the sum of its proper divisors (21977044552).

40889212178 is a wasteful number, since it uses less digits than its factorization.

40889212178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12162253 (or 12162212 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 50.

The spelling of 40889212178 in words is "forty billion, eight hundred eighty-nine million, two hundred twelve thousand, one hundred seventy-eight".