12411403440 has 80 divisors (see below), whose sum is σ = 40500384000. Its totient is φ = 3135511296.

The previous prime is 12411403439. The next prime is 12411403453. The reversal of 12411403440 is 4430411421.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 12411403440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1356340 + ... + 1365459.

It is an arithmetic number, because the mean of its divisors is an integer number (506254800).

Almost surely, 2^12411403440 is an apocalyptic number.

12411403440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12411403440 is an abundant number, since it is smaller than the sum of its proper divisors (28088980560).

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

12411403440 is a wasteful number, since it uses less digits than its factorization.

12411403440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2721834 (or 2721828 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 12411403440 its reverse (4430411421), we get a palindrome (16841814861).

The spelling of 12411403440 in words is "twelve billion, four hundred eleven million, four hundred three thousand, four hundred forty".