1316836440000 has 560 divisors, whose sum is σ = 4897568401440. Its totient is φ = 351133056000.

The previous prime is 1316836439983. The next prime is 1316836440041. The reversal of 1316836440000 is 446386131.

It is a happy number.

1316836440000 is a `hidden beast` number, since 1 + 3 + 1 + 6 + 8 + 3 + 644 + 0 + 0 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 87472474 + ... + 87487526.

Almost surely, 2^{1316836440000} is an apocalyptic number.

1316836440000 is a gapful number since it is divisible by the number (10) 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 1316836440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2448784200720).

1316836440000 is an abundant number, since it is smaller than the sum of its proper divisors (3580731961440).

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

1316836440000 is an frugal number, since it uses more digits than its factorization.

1316836440000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15106 (or 15063 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The spelling of 1316836440000 in words is "one trillion, three hundred sixteen billion, eight hundred thirty-six million, four hundred forty thousand".