14406406664 has 32 divisors (see below), whose sum is σ = 29275178520. Its totient is φ = 6606752256.

The previous prime is 14406406621. The next prime is 14406406687. The reversal of 14406406664 is 46660460441.

It can be written as a sum of positive squares in 4 ways, for example, as 11937310564 + 2469096100 = 109258^2 + 49690^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 424829 + ... + 457484.

Almost surely, 2^14406406664 is an apocalyptic number.

It is an amenable number.

14406406664 is an abundant number, since it is smaller than the sum of its proper divisors (14868771856).

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

14406406664 is a wasteful number, since it uses less digits than its factorization.

14406406664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882489 (or 882485 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 41.

The spelling of 14406406664 in words is "fourteen billion, four hundred six million, four hundred six thousand, six hundred sixty-four".