11444313140 has 48 divisors (see below), whose sum is σ = 25892509440. Its totient is φ = 4223836800.

The previous prime is 11444313109. The next prime is 11444313169. The reversal of 11444313140 is 4131344411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 733541 + ... + 748979.

It is an arithmetic number, because the mean of its divisors is an integer number (539427280).

Almost surely, 2^11444313140 is an apocalyptic number.

11444313140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11444313140 is an abundant number, since it is smaller than the sum of its proper divisors (14448196300).

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

11444313140 is a wasteful number, since it uses less digits than its factorization.

11444313140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18312 (or 18310 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 26.

Adding to 11444313140 its reverse (4131344411), we get a palindrome (15575657551).

The spelling of 11444313140 in words is "eleven billion, four hundred forty-four million, three hundred thirteen thousand, one hundred forty".