40166306278087 has 12 divisors (see below), whose sum is σ = 46746785238048. Its totient is φ = 34366893070400.

The previous prime is 40166306278079. The next prime is 40166306278099. The reversal of 40166306278087 is 78087260366104.

It is not a de Polignac number, because 40166306278087 - 2³ = 40166306278079 is a prime.

It is a super-2 number, since 2×40166306278087² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166306278487) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9763319839 + ... + 9763323952.

It is an arithmetic number, because the mean of its divisors is an integer number (3895565436504).

Almost surely, 2^{40166306278087} is an apocalyptic number.

40166306278087 is a deficient number, since it is larger than the sum of its proper divisors (6580478959961).

40166306278087 is a wasteful number, since it uses less digits than its factorization.

40166306278087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19526643830 (or 19526643819 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 58.

The spelling of 40166306278087 in words is "forty trillion, one hundred sixty-six billion, three hundred six million, two hundred seventy-eight thousand, eighty-seven".