12422540240 has 80 divisors (see below), whose sum is σ = 31541909760. Its totient is φ = 4512437760.

The previous prime is 12422540219. The next prime is 12422540279. The reversal of 12422540240 is 4204522421.

12422540240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 870281 + ... + 884439.

It is an arithmetic number, because the mean of its divisors is an integer number (394273872).

Almost surely, 2^12422540240 is an apocalyptic number.

12422540240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422540240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15770954880).

12422540240 is an abundant number, since it is smaller than the sum of its proper divisors (19119369520).

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

12422540240 is a wasteful number, since it uses less digits than its factorization.

12422540240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15180 (or 15174 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 26.

The spelling of 12422540240 in words is "twelve billion, four hundred twenty-two million, five hundred forty thousand, two hundred forty".