40165105012 has 24 divisors (see below), whose sum is σ = 74434424904. Its totient is φ = 18898470912.

The previous prime is 40165105003. The next prime is 40165105039. The reversal of 40165105012 is 21050156104.

It is a happy number.

40165105012 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 4 ways, for example, as 29266997776 + 10898107236 = 171076^2 + 104394^2 .

It is a super-2 number, since 2×40165105012² (a number of 22 digits) contains 22 as substring.

It is a congruent 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, 471868 + ... + 550444.

It is an arithmetic number, because the mean of its divisors is an integer number (3101434371).

Almost surely, 2^40165105012 is an apocalyptic number.

It is an amenable number.

40165105012 is a deficient number, since it is larger than the sum of its proper divisors (34269319892).

40165105012 is a wasteful number, since it uses less digits than its factorization.

40165105012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86115 (or 86113 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 25.

The spelling of 40165105012 in words is "forty billion, one hundred sixty-five million, one hundred five thousand, twelve".