1343446465640 has 32 divisors (see below), whose sum is σ = 3023269063560. Its totient is φ = 537287116800.

The previous prime is 1343446465633. The next prime is 1343446465651. The reversal of 1343446465640 is 465646443431.

It can be written as a sum of positive squares in 4 ways, for example, as 984091776196 + 359354689444 = 992014^2 + 599462^2 .

It is a super-3 number, since 3×1343446465640³ (a number of 37 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620241 + ... + 3090720.

Almost surely, 2^{1343446465640} is an apocalyptic number.

1343446465640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1343446465640 is an abundant number, since it is smaller than the sum of its proper divisors (1679822597920).

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

1343446465640 is a wasteful number, since it uses less digits than its factorization.

1343446465640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5716853 (or 5716849 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 50.

The spelling of 1343446465640 in words is "one trillion, three hundred forty-three billion, four hundred forty-six million, four hundred sixty-five thousand, six hundred forty".