13640445050706 has 24 divisors (see below), whose sum is σ = 30241606858320. Its totient is φ = 4441075132536.

The previous prime is 13640445050699. The next prime is 13640445050707. The reversal of 13640445050706 is 60705054404631.

13640445050706 is a `hidden beast` number, since 1 + 36 + 4 + 0 + 44 + 505 + 0 + 70 + 6 = 666.

It is a super-2 number, since 2×13640445050706² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13640445050707) 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, 8811656236 + ... + 8811657783.

It is an arithmetic number, because the mean of its divisors is an integer number (1260066952430).

Almost surely, 2^{13640445050706} is an apocalyptic number.

13640445050706 is an abundant number, since it is smaller than the sum of its proper divisors (16601161807614).

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

13640445050706 is a wasteful number, since it uses less digits than its factorization.

13640445050706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17623314070 (or 17623314067 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 13640445050706 in words is "thirteen trillion, six hundred forty billion, four hundred forty-five million, fifty thousand, seven hundred six".