40667941569 has 24 divisors (see below), whose sum is σ = 58940807200. Its totient is φ = 24923695104.

The previous prime is 40667941499. The next prime is 40667941607. The reversal of 40667941569 is 96514976604.

It is not a de Polignac number, because 40667941569 - 2¹² = 40667937473 is a prime.

It is a super-2 number, since 2×40667941569² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40667941469) 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, 508144 + ... + 582705.

Almost surely, 2^40667941569 is an apocalyptic number.

It is an amenable number.

40667941569 is a deficient number, since it is larger than the sum of its proper divisors (18272865631).

40667941569 is a wasteful number, since it uses less digits than its factorization.

40667941569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090929 (or 1090912 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 57.

The spelling of 40667941569 in words is "forty billion, six hundred sixty-seven million, nine hundred forty-one thousand, five hundred sixty-nine".