40166407371 has 16 divisors (see below), whose sum is σ = 54835064064. Its totient is φ = 26138459424.

The previous prime is 40166407367. The next prime is 40166407373. The reversal of 40166407371 is 17370466104.

It is not a de Polignac number, because 40166407371 - 2² = 40166407367 is a prime.

It is a super-2 number, since 2×40166407371² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166407373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110425 + ... + 304181.

It is an arithmetic number, because the mean of its divisors is an integer number (3427191504).

Almost surely, 2^40166407371 is an apocalyptic number.

40166407371 is a deficient number, since it is larger than the sum of its proper divisors (14668656693).

40166407371 is a wasteful number, since it uses less digits than its factorization.

40166407371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195410.

The product of its (nonzero) digits is 84672, while the sum is 39.

The spelling of 40166407371 in words is "forty billion, one hundred sixty-six million, four hundred seven thousand, three hundred seventy-one".