14072660644 has 18 divisors (see below), whose sum is σ = 28647916710. Its totient is φ = 6031140192.

The previous prime is 14072660603. The next prime is 14072660671. The reversal of 14072660644 is 44606627041.

It can be written as a sum of positive squares in only one way, i.e., 12285062244 + 1787598400 = 110838^2 + 42280^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14072660597 and 14072660606.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35899449 + ... + 35899840.

Almost surely, 2^14072660644 is an apocalyptic number.

14072660644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

14072660644 is an abundant number, since it is smaller than the sum of its proper divisors (14575256066).

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

14072660644 is a wasteful number, since it uses less digits than its factorization.

14072660644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71799307 (or 71799298 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 40.

The spelling of 14072660644 in words is "fourteen billion, seventy-two million, six hundred sixty thousand, six hundred forty-four".