40166624543 has 4 divisors (see below), whose sum is σ = 40167030288. Its totient is φ = 40166218800.

The previous prime is 40166624507. The next prime is 40166624567. The reversal of 40166624543 is 34542666104.

40166624543 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40166624543 - 2⁶ = 40166624479 is a prime.

It is a super-2 number, since 2×40166624543² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40166624543.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166624843) 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, 54230 + ... + 288572.

It is an arithmetic number, because the mean of its divisors is an integer number (10041757572).

Almost surely, 2^40166624543 is an apocalyptic number.

40166624543 is a deficient number, since it is larger than the sum of its proper divisors (405745).

40166624543 is a wasteful number, since it uses less digits than its factorization.

40166624543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405744.

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 40166624543 in words is "forty billion, one hundred sixty-six million, six hundred twenty-four thousand, five hundred forty-three".