40166844866104 has 32 divisors (see below), whose sum is σ = 82293483993840. Its totient is φ = 18227872627200.

The previous prime is 40166844866087. The next prime is 40166844866107.

It is a happy number.

40166844866104 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×40166844866104² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166844866107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 372247377 + ... + 372355264.

Almost surely, 2^{40166844866104} is an apocalyptic number.

40166844866104 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40166844866104 is an abundant number, since it is smaller than the sum of its proper divisors (42126639127736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40166844866104 is a wasteful number, since it uses less digits than its factorization.

40166844866104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 744603271 (or 744603267 counting only the distinct ones).

The product of its (nonzero) digits is 21233664, while the sum is 58.

The spelling of 40166844866104 in words is "forty trillion, one hundred sixty-six billion, eight hundred forty-four million, eight hundred sixty-six thousand, one hundred four".