40166251413 has 8 divisors (see below), whose sum is σ = 53627474400. Its totient is φ = 26741264688.

The previous prime is 40166251369. The next prime is 40166251423. The reversal of 40166251413 is 31415266104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40166251413 - 2²⁶ = 40099142549 is a prime.

It is a super-2 number, since 2×40166251413² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166251423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9056478 + ... + 9060911.

It is an arithmetic number, because the mean of its divisors is an integer number (6703434300).

Almost surely, 2^40166251413 is an apocalyptic number.

It is an amenable number.

40166251413 is a deficient number, since it is larger than the sum of its proper divisors (13461222987).

40166251413 is a wasteful number, since it uses less digits than its factorization.

40166251413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18118131.

The product of its (nonzero) digits is 17280, while the sum is 33.

The spelling of 40166251413 in words is "forty billion, one hundred sixty-six million, two hundred fifty-one thousand, four hundred thirteen".