40166254816436 has 48 divisors (see below), whose sum is σ = 80831396042880. Its totient is φ = 17107290046080.

The previous prime is 40166254816411. The next prime is 40166254816447. The reversal of 40166254816436 is 63461845266104.

It is a super-2 number, since 2×40166254816436² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9568775 + ... + 13110833.

It is an arithmetic number, because the mean of its divisors is an integer number (1683987417560).

Almost surely, 2^{40166254816436} is an apocalyptic number.

It is an amenable number.

40166254816436 is an abundant number, since it is smaller than the sum of its proper divisors (40665141226444).

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

40166254816436 is a wasteful number, since it uses less digits than its factorization.

40166254816436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3544584 (or 3544582 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 56.

The spelling of 40166254816436 in words is "forty trillion, one hundred sixty-six billion, two hundred fifty-four million, eight hundred sixteen thousand, four hundred thirty-six".