14640401706 has 32 divisors (see below), whose sum is σ = 33866961408. Its totient is φ = 4132573680.

The previous prime is 14640401663. The next prime is 14640401707. The reversal of 14640401706 is 60710404641.

It is a super-2 number, since 2×14640401706² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14640401707) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2096400 + ... + 2103371.

It is an arithmetic number, because the mean of its divisors is an integer number (1058342544).

Almost surely, 2^14640401706 is an apocalyptic number.

14640401706 is an abundant number, since it is smaller than the sum of its proper divisors (19226559702).

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

14640401706 is a wasteful number, since it uses less digits than its factorization.

14640401706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4199866.

The product of its (nonzero) digits is 16128, while the sum is 33.

The spelling of 14640401706 in words is "fourteen billion, six hundred forty million, four hundred one thousand, seven hundred six".