1140321220344 has 32 divisors (see below), whose sum is σ = 3167558946000. Its totient is φ = 380107073376.

The previous prime is 1140321220343. The next prime is 1140321220417. The reversal of 1140321220344 is 4430221230411.

1140321220344 is a `hidden beast` number, since 1 + 1 + 403 + 2 + 1 + 220 + 34 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1140321220343) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639632239 + ... + 2639632670.

Almost surely, 2^{1140321220344} is an apocalyptic number.

It is an amenable number.

1140321220344 is an abundant number, since it is smaller than the sum of its proper divisors (2027237725656).

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

1140321220344 is a wasteful number, since it uses less digits than its factorization.

1140321220344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5279264924 (or 5279264914 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

Adding to 1140321220344 its reverse (4430221230411), we get a palindrome (5570542450755).

The spelling of 1140321220344 in words is "one trillion, one hundred forty billion, three hundred twenty-one million, two hundred twenty thousand, three hundred forty-four".