11442344240 has 20 divisors (see below), whose sum is σ = 26603450544. Its totient is φ = 4576937664.

The previous prime is 11442344231. The next prime is 11442344261. The reversal of 11442344240 is 4244324411.

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

It is a super-2 number, since 2×11442344240² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71514572 + ... + 71514731.

Almost surely, 2^11442344240 is an apocalyptic number.

11442344240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11442344240 is an abundant number, since it is smaller than the sum of its proper divisors (15161106304).

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

11442344240 is a wasteful number, since it uses less digits than its factorization.

11442344240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143029316 (or 143029310 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 11442344240 its reverse (4244324411), we get a palindrome (15686668651).

The spelling of 11442344240 in words is "eleven billion, four hundred forty-two million, three hundred forty-four thousand, two hundred forty".