40069967616 has 432 divisors, whose sum is σ = 142264362240. Its totient is φ = 10590289920.

The previous prime is 40069967599. The next prime is 40069967621. The reversal of 40069967616 is 61676996004.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 13175056 + ... + 13178096.

Almost surely, 2^40069967616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40069967616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (71132181120).

40069967616 is an abundant number, since it is smaller than the sum of its proper divisors (102194394624).

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

40069967616 is a wasteful number, since it uses less digits than its factorization.

40069967616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3132 (or 3115 counting only the distinct ones).

The product of its (nonzero) digits is 2939328, while the sum is 54.

The spelling of 40069967616 in words is "forty billion, sixty-nine million, nine hundred sixty-seven thousand, six hundred sixteen".