40166254780071 has 16 divisors (see below), whose sum is σ = 61372494664704. Its totient is φ = 22889605677984.

The previous prime is 40166254780061. The next prime is 40166254780111. The reversal of 40166254780071 is 17008745266104.

It is not a de Polignac number, because 40166254780071 - 2⁶ = 40166254780007 is a prime.

It is a super-2 number, since 2×40166254780071² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40166254779996 and 40166254780023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40166254780061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2605821720 + ... + 2605837133.

It is an arithmetic number, because the mean of its divisors is an integer number (3835780916544).

Almost surely, 2^{40166254780071} is an apocalyptic number.

40166254780071 is a deficient number, since it is larger than the sum of its proper divisors (21206239884633).

40166254780071 is a wasteful number, since it uses less digits than its factorization.

40166254780071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5211659230.

The product of its (nonzero) digits is 2257920, while the sum is 51.

The spelling of 40166254780071 in words is "forty trillion, one hundred sixty-six billion, two hundred fifty-four million, seven hundred eighty thousand, seventy-one".