40069070667 has 12 divisors (see below), whose sum is σ = 58670390584. Its totient is φ = 26346785760.

The previous prime is 40069070663. The next prime is 40069070689. The reversal of 40069070667 is 76607096004.

It is not a de Polignac number, because 40069070667 - 2² = 40069070663 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40069070663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30493309 + ... + 30494622.

Almost surely, 2^40069070667 is an apocalyptic number.

40069070667 is a deficient number, since it is larger than the sum of its proper divisors (18601319917).

40069070667 is a wasteful number, since it uses less digits than its factorization.

40069070667 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60988010 (or 60988007 counting only the distinct ones).

The product of its (nonzero) digits is 381024, while the sum is 45.

The spelling of 40069070667 in words is "forty billion, sixty-nine million, seventy thousand, six hundred sixty-seven".