11244421240 has 64 divisors (see below), whose sum is σ = 28430740800. Its totient is φ = 3971269632.

The previous prime is 11244421193. The next prime is 11244421247. The reversal of 11244421240 is 4212444211.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11244421247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 458125 + ... + 482044.

It is an arithmetic number, because the mean of its divisors is an integer number (444230325).

Almost surely, 2^11244421240 is an apocalyptic number.

11244421240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11244421240 is an abundant number, since it is smaller than the sum of its proper divisors (17186319560).

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

11244421240 is a wasteful number, since it uses less digits than its factorization.

11244421240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 940216 (or 940212 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 11244421240 its reverse (4212444211), we get a palindrome (15456865451).

The spelling of 11244421240 in words is "eleven billion, two hundred forty-four million, four hundred twenty-one thousand, two hundred forty".