1340969999616 has 216 divisors, whose sum is σ = 4166675604000. Its totient is φ = 412317093888.

The previous prime is 1340969999597. The next prime is 1340969999617. The reversal of 1340969999616 is 6169999690431.

1340969999616 is a `hidden beast` number, since 13 + 409 + 69 + 9 + 99 + 61 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1340969999617) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44883115 + ... + 44912981.

Almost surely, 2^{1340969999616} is an apocalyptic number.

1340969999616 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340969999616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2083337802000).

1340969999616 is an abundant number, since it is smaller than the sum of its proper divisors (2825705604384).

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

1340969999616 is a wasteful number, since it uses less digits than its factorization.

1340969999616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31401 (or 31384 counting only the distinct ones).

The product of its (nonzero) digits is 153055008, while the sum is 72.

The spelling of 1340969999616 in words is "one trillion, three hundred forty billion, nine hundred sixty-nine million, nine hundred ninety-nine thousand, six hundred sixteen".