40111166144 has 28 divisors (see below), whose sum is σ = 90966395664. Its totient is φ = 17190499584.

The previous prime is 40111166143. The next prime is 40111166167. The reversal of 40111166144 is 44166111104.

40111166144 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (28).

It is not an unprimeable number, because it can be changed into a prime (40111166141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44766479 + ... + 44767374.

Almost surely, 2^40111166144 is an apocalyptic number.

It is an amenable number.

40111166144 is an abundant number, since it is smaller than the sum of its proper divisors (50855229520).

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

40111166144 is an equidigital number, since it uses as much as digits as its factorization.

40111166144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89533872 (or 89533862 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 29.

Adding to 40111166144 its reverse (44166111104), we get a palindrome (84277277248).

The spelling of 40111166144 in words is "forty billion, one hundred eleven million, one hundred sixty-six thousand, one hundred forty-four".