1340344445310 has 96 divisors (see below), whose sum is σ = 3950488956960. Its totient is φ = 312566148864.

The previous prime is 1340344445233. The next prime is 1340344445311. The reversal of 1340344445310 is 135444430431.

1340344445310 is a `hidden beast` number, since 1 + 3 + 40 + 3 + 44 + 44 + 531 + 0 = 666.

It is a super-2 number, since 2×1340344445310² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340344445311) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 30124969 + ... + 30169428.

It is an arithmetic number, because the mean of its divisors is an integer number (41150926635).

Almost surely, 2^{1340344445310} is an apocalyptic number.

1340344445310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1340344445310 is an abundant number, since it is smaller than the sum of its proper divisors (2610144511650).

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

1340344445310 is a wasteful number, since it uses less digits than its factorization.

1340344445310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60294442 (or 60294439 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

Adding to 1340344445310 its reverse (135444430431), we get a palindrome (1475788875741).

The spelling of 1340344445310 in words is "one trillion, three hundred forty billion, three hundred forty-four million, four hundred forty-five thousand, three hundred ten".