40166025285608 has 8 divisors (see below), whose sum is σ = 75311297410530. Its totient is φ = 20083012642800.

The previous prime is 40166025285601. The next prime is 40166025285611. The reversal of 40166025285608 is 80658252066104.

It can be written as a sum of positive squares in only one way, i.e., 39631784162884 + 534241122724 = 6295378^2 + 730918^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×40166025285608² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40166025285608.

It is not an unprimeable number, because it can be changed into a prime (40166025285601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510376580343 + ... + 2510376580358.

Almost surely, 2^{40166025285608} is an apocalyptic number.

It is an amenable number.

40166025285608 is a deficient number, since it is larger than the sum of its proper divisors (35145272124922).

40166025285608 is a wasteful number, since it uses less digits than its factorization.

40166025285608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5020753160707 (or 5020753160703 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 53.

The spelling of 40166025285608 in words is "forty trillion, one hundred sixty-six billion, twenty-five million, two hundred eighty-five thousand, six hundred eight".