12441611440 has 20 divisors (see below), whose sum is σ = 28926746784. Its totient is φ = 4976644544.

The previous prime is 12441611437. The next prime is 12441611459. The reversal of 12441611440 is 4411614421.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 12441611399 and 12441611408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 77759992 + ... + 77760151.

Almost surely, 2^12441611440 is an apocalyptic number.

12441611440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12441611440 is an abundant number, since it is smaller than the sum of its proper divisors (16485135344).

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

12441611440 is a wasteful number, since it uses less digits than its factorization.

12441611440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155520156 (or 155520150 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 28.

The spelling of 12441611440 in words is "twelve billion, four hundred forty-one million, six hundred eleven thousand, four hundred forty".