1340940635358 has 16 divisors (see below), whose sum is σ = 2686131486336. Its totient is φ = 446271842520.

The previous prime is 1340940635339. The next prime is 1340940635383. The reversal of 1340940635358 is 8535360490431.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1340940635358.

It is a congruent number.

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, 177088216 + ... + 177095787.

It is an arithmetic number, because the mean of its divisors is an integer number (167883217896).

Almost surely, 2^{1340940635358} is an apocalyptic number.

1340940635358 is an abundant number, since it is smaller than the sum of its proper divisors (1345190850978).

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

1340940635358 is a wasteful number, since it uses less digits than its factorization.

1340940635358 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354184639.

The product of its (nonzero) digits is 4665600, while the sum is 51.

The spelling of 1340940635358 in words is "one trillion, three hundred forty billion, nine hundred forty million, six hundred thirty-five thousand, three hundred fifty-eight".