1340643035652 has 24 divisors (see below), whose sum is σ = 3128337635136. Its totient is φ = 446856647328.

The previous prime is 1340643035621. The next prime is 1340643035681. The reversal of 1340643035652 is 2565303460431.

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, 2815608 + ... + 3257135.

It is an arithmetic number, because the mean of its divisors is an integer number (130347401464).

Almost surely, 2^{1340643035652} is an apocalyptic number.

1340643035652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1340643035652 is an abundant number, since it is smaller than the sum of its proper divisors (1787694599484).

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

1340643035652 is a wasteful number, since it uses less digits than its factorization.

1340643035652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6091147 (or 6091145 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 42.

The spelling of 1340643035652 in words is "one trillion, three hundred forty billion, six hundred forty-three million, thirty-five thousand, six hundred fifty-two".