40024665266 has 4 divisors (see below), whose sum is σ = 60036997902. Its totient is φ = 20012332632.

The previous prime is 40024665253. The next prime is 40024665269. The reversal of 40024665266 is 66256642004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36622859641 + 3401805625 = 191371^2 + 58325^2 .

It is not an unprimeable number, because it can be changed into a prime (40024665269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10006166315 + ... + 10006166318.

Almost surely, 2^40024665266 is an apocalyptic number.

40024665266 is a deficient number, since it is larger than the sum of its proper divisors (20012332636).

40024665266 is a wasteful number, since it uses less digits than its factorization.

40024665266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20012332635.

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

The spelling of 40024665266 in words is "forty billion, twenty-four million, six hundred sixty-five thousand, two hundred sixty-six".