13650640406 has 8 divisors (see below), whose sum is σ = 22051034544. Its totient is φ = 6300295560.

The previous prime is 13650640403. The next prime is 13650640429. The reversal of 13650640406 is 60404605631.

13650640406 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 congruent number.

It is not an unprimeable number, because it can be changed into a prime (13650640403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262512290 + ... + 262512341.

It is an arithmetic number, because the mean of its divisors is an integer number (2756379318).

Almost surely, 2^13650640406 is an apocalyptic number.

13650640406 is a deficient number, since it is larger than the sum of its proper divisors (8400394138).

13650640406 is a wasteful number, since it uses less digits than its factorization.

13650640406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 525024646.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 13650640406 in words is "thirteen billion, six hundred fifty million, six hundred forty thousand, four hundred six".