1340204331144 has 64 divisors (see below), whose sum is σ = 3995640253440. Its totient is φ = 366267021120.

The previous prime is 1340204331133. The next prime is 1340204331157. The reversal of 1340204331144 is 4411334020431.

It is a super-2 number, since 2×1340204331144² (a number of 25 digits) contains 22 as substring.

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, 173418022 + ... + 173425749.

It is an arithmetic number, because the mean of its divisors is an integer number (62431878960).

Almost surely, 2^{1340204331144} is an apocalyptic number.

1340204331144 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1340204331144 is an abundant number, since it is smaller than the sum of its proper divisors (2655435922296).

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

1340204331144 is a wasteful number, since it uses less digits than its factorization.

1340204331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346843810 (or 346843806 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 1340204331144 its reverse (4411334020431), we get a palindrome (5751538351575).

The spelling of 1340204331144 in words is "one trillion, three hundred forty billion, two hundred four million, three hundred thirty-one thousand, one hundred forty-four".