40166273420087 has 4 divisors (see below), whose sum is σ = 40167484703616. Its totient is φ = 40165062136560.

The previous prime is 40166273420057. The next prime is 40166273420093. The reversal of 40166273420087 is 78002437266104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40166273420087 - 2¹⁶ = 40166273354551 is a prime.

It is a super-2 number, since 2×40166273420087² (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 (40166273420057) 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, 605592023 + ... + 605658344.

It is an arithmetic number, because the mean of its divisors is an integer number (10041871175904).

Almost surely, 2^{40166273420087} is an apocalyptic number.

40166273420087 is a deficient number, since it is larger than the sum of its proper divisors (1211283529).

40166273420087 is a wasteful number, since it uses less digits than its factorization.

40166273420087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1211283528.

The product of its (nonzero) digits is 2709504, while the sum is 50.

The spelling of 40166273420087 in words is "forty trillion, one hundred sixty-six billion, two hundred seventy-three million, four hundred twenty thousand, eighty-seven".