40666674069 has 24 divisors (see below), whose sum is σ = 67622318400. Its totient is φ = 23068473408.

The previous prime is 40666674067. The next prime is 40666674091. The reversal of 40666674069 is 96047666604.

It is not a de Polignac number, because 40666674069 - 2¹ = 40666674067 is a prime.

It is a super-2 number, since 2×40666674069² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40666674067) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2347219 + ... + 2364480.

It is an arithmetic number, because the mean of its divisors is an integer number (2817596600).

Almost surely, 2^40666674069 is an apocalyptic number.

It is an amenable number.

40666674069 is a deficient number, since it is larger than the sum of its proper divisors (26955644331).

40666674069 is a wasteful number, since it uses less digits than its factorization.

40666674069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4711849 (or 4711846 counting only the distinct ones).

The product of its (nonzero) digits is 7838208, while the sum is 54.

The spelling of 40666674069 in words is "forty billion, six hundred sixty-six million, six hundred seventy-four thousand, sixty-nine".