40266666204 has 24 divisors (see below), whose sum is σ = 94817535120. Its totient is φ = 13299081984.

The previous prime is 40266666203. The next prime is 40266666239.

40266666204 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40266666203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15391149 + ... + 15393764.

It is an arithmetic number, because the mean of its divisors is an integer number (3950730630).

Almost surely, 2^40266666204 is an apocalyptic number.

It is an amenable number.

40266666204 is an abundant number, since it is smaller than the sum of its proper divisors (54550868916).

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

40266666204 is a wasteful number, since it uses less digits than its factorization.

40266666204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30785029 (or 30785027 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 40266666204 in words is "forty billion, two hundred sixty-six million, six hundred sixty-six thousand, two hundred four".