1340244041220 has 72 divisors (see below), whose sum is σ = 4646179347264. Its totient is φ = 306341494848.

The previous prime is 1340244041111. The next prime is 1340244041233. The reversal of 1340244041220 is 221404420431.

1340244041220 is a `hidden beast` number, since 1 + 3 + 4 + 0 + 244 + 0 + 412 + 2 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 531841614 + ... + 531844133.

It is an arithmetic number, because the mean of its divisors is an integer number (64530268712).

Almost surely, 2^{1340244041220} is an apocalyptic number.

1340244041220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1340244041220 is an abundant number, since it is smaller than the sum of its proper divisors (3305935306044).

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

1340244041220 is a wasteful number, since it uses less digits than its factorization.

1340244041220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063685769 (or 1063685764 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

Adding to 1340244041220 its reverse (221404420431), we get a palindrome (1561648461651).

The spelling of 1340244041220 in words is "one trillion, three hundred forty billion, two hundred forty-four million, forty-one thousand, two hundred twenty".