1140313434440 has 64 divisors (see below), whose sum is σ = 2627368444800. Its totient is φ = 445179151872.

The previous prime is 1140313434427. The next prime is 1140313434451. The reversal of 1140313434440 is 444343130411.

It is a super-2 number, since 2×1140313434440² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1140313434397 and 1140313434406.

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, 2017364 + ... + 2519996.

It is an arithmetic number, because the mean of its divisors is an integer number (41052631950).

Almost surely, 2^{1140313434440} is an apocalyptic number.

1140313434440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1140313434440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1313684222400).

1140313434440 is an abundant number, since it is smaller than the sum of its proper divisors (1487055010360).

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

1140313434440 is a wasteful number, since it uses less digits than its factorization.

1140313434440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504006 (or 504002 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 1140313434440 its reverse (444343130411), we get a palindrome (1584656564851).

The spelling of 1140313434440 in words is "one trillion, one hundred forty billion, three hundred thirteen million, four hundred thirty-four thousand, four hundred forty".