40469516643 has 8 divisors (see below), whose sum is σ = 54197062848. Its totient is φ = 26860824104.

The previous prime is 40469516641. The next prime is 40469516653. The reversal of 40469516643 is 34661596404.

40469516643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40469516643 - 2¹ = 40469516641 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40469516592 and 40469516601.

It is not an unprimeable number, because it can be changed into a prime (40469516641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29712621 + ... + 29713982.

It is an arithmetic number, because the mean of its divisors is an integer number (6774632856).

Almost surely, 2^40469516643 is an apocalyptic number.

40469516643 is a deficient number, since it is larger than the sum of its proper divisors (13727546205).

40469516643 is a wasteful number, since it uses less digits than its factorization.

40469516643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59426833.

The product of its (nonzero) digits is 1866240, while the sum is 48.

The spelling of 40469516643 in words is "forty billion, four hundred sixty-nine million, five hundred sixteen thousand, six hundred forty-three".