40666266604 has 24 divisors (see below), whose sum is σ = 75518795520. Its totient is φ = 19119435984.

The previous prime is 40666266583. The next prime is 40666266629.

40666266604 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3740544 + ... + 3751399.

It is an arithmetic number, because the mean of its divisors is an integer number (3146616480).

Almost surely, 2^40666266604 is an apocalyptic number.

It is an amenable number.

40666266604 is a deficient number, since it is larger than the sum of its proper divisors (34852528916).

40666266604 is a wasteful number, since it uses less digits than its factorization.

40666266604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7492029 (or 7492027 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 46.

The spelling of 40666266604 in words is "forty billion, six hundred sixty-six million, two hundred sixty-six thousand, six hundred four".