40166404125 has 16 divisors (see below), whose sum is σ = 66836897088. Its totient is φ = 21422082000.

The previous prime is 40166404063. The next prime is 40166404127. The reversal of 40166404125 is 52140466104.

It is not a de Polignac number, because 40166404125 - 2¹⁷ = 40166273053 is a prime.

It is a super-2 number, since 2×40166404125² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166404127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53554831 + ... + 53555580.

It is an arithmetic number, because the mean of its divisors is an integer number (4177306068).

Almost surely, 2^40166404125 is an apocalyptic number.

It is an amenable number.

40166404125 is a deficient number, since it is larger than the sum of its proper divisors (26670492963).

40166404125 is a wasteful number, since it uses less digits than its factorization.

40166404125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107110429 (or 107110419 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 33.

The spelling of 40166404125 in words is "forty billion, one hundred sixty-six million, four hundred four thousand, one hundred twenty-five".