7316399443680 has 432 divisors, whose sum is σ = 25921890186192. Its totient is φ = 1879079731200.

The previous prime is 7316399443673. The next prime is 7316399443687. The reversal of 7316399443680 is 863449936137.

7316399443680 is a `hidden beast` number, since 7 + 3 + 1 + 6 + 39 + 94 + 436 + 80 = 666.

It is an interprime number because it is at equal distance from previous prime (7316399443673) and next prime (7316399443687).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7316399443687) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 291977712 + ... + 292002768.

It is an arithmetic number, because the mean of its divisors is an integer number (60004375431).

Almost surely, 2^{7316399443680} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7316399443680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12960945093096).

7316399443680 is an abundant number, since it is smaller than the sum of its proper divisors (18605490742512).

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

7316399443680 is a wasteful number, since it uses less digits than its factorization.

7316399443680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25351 (or 25309 counting only the distinct ones).

The product of its (nonzero) digits is 70543872, while the sum is 63.

The spelling of 7316399443680 in words is "seven trillion, three hundred sixteen billion, three hundred ninety-nine million, four hundred forty-three thousand, six hundred eighty".