12614445440 has 64 divisors (see below), whose sum is σ = 30667626000. Its totient is φ = 4960241664.

The previous prime is 12614445421. The next prime is 12614445443. The reversal of 12614445440 is 4454441621.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 12614445440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12614445443) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 129275 + ... + 204794.

Almost surely, 2^12614445440 is an apocalyptic number.

12614445440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12614445440 is an abundant number, since it is smaller than the sum of its proper divisors (18053180560).

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

12614445440 is an equidigital number, since it uses as much as digits as its factorization.

12614445440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334147 (or 334135 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 35.

The spelling of 12614445440 in words is "twelve billion, six hundred fourteen million, four hundred forty-five thousand, four hundred forty".