11340244240 has 80 divisors (see below), whose sum is σ = 29888712000. Its totient is φ = 3966782976.

The previous prime is 11340244217. The next prime is 11340244241. The reversal of 11340244240 is 4244204311.

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

It is a super-2 number, since 2×11340244240² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11340244241) 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, 267190 + ... + 306709.

It is an arithmetic number, because the mean of its divisors is an integer number (373608900).

Almost surely, 2^11340244240 is an apocalyptic number.

11340244240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11340244240 is an abundant number, since it is smaller than the sum of its proper divisors (18548467760).

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

11340244240 is a wasteful number, since it uses less digits than its factorization.

11340244240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573944 (or 573938 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

Adding to 11340244240 its reverse (4244204311), we get a palindrome (15584448551).

The spelling of 11340244240 in words is "eleven billion, three hundred forty million, two hundred forty-four thousand, two hundred forty".