11440240142 has 8 divisors (see below), whose sum is σ = 17163108576. Its totient is φ = 5719203952.

The previous prime is 11440240109. The next prime is 11440240223. The reversal of 11440240142 is 24104204411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442343 + ... + 467490.

It is an arithmetic number, because the mean of its divisors is an integer number (2145388572).

Almost surely, 2^11440240142 is an apocalyptic number.

11440240142 is a deficient number, since it is larger than the sum of its proper divisors (5722868434).

11440240142 is an equidigital number, since it uses as much as digits as its factorization.

11440240142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 916122.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 11440240142 its reverse (24104204411), we get a palindrome (35544444553).

The spelling of 11440240142 in words is "eleven billion, four hundred forty million, two hundred forty thousand, one hundred forty-two".