12618469944 has 96 divisors (see below), whose sum is σ = 35706696480. Its totient is φ = 4018113792.

The previous prime is 12618469933. The next prime is 12618469987. The reversal of 12618469944 is 44996481621.

12618469944 is a `hidden beast` number, since 12 + 618 + 4 + 6 + 9 + 9 + 4 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1408102 + ... + 1417034.

It is an arithmetic number, because the mean of its divisors is an integer number (371944755).

Almost surely, 2^12618469944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12618469944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17853348240).

12618469944 is an abundant number, since it is smaller than the sum of its proper divisors (23088226536).

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

12618469944 is a wasteful number, since it uses less digits than its factorization.

12618469944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9821 (or 9814 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The spelling of 12618469944 in words is "twelve billion, six hundred eighteen million, four hundred sixty-nine thousand, nine hundred forty-four".