8380679344640 has 480 divisors, whose sum is σ = 22677097322880. Its totient is φ = 2959431303168.

The previous prime is 8380679344637. The next prime is 8380679344703. The reversal of 8380679344640 is 464439760838.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1618201571 + ... + 1618206749.

It is an arithmetic number, because the mean of its divisors is an integer number (47243952756).

Almost surely, 2^{8380679344640} is an apocalyptic number.

8380679344640 is a gapful number since it is divisible by the number (80) 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 8380679344640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11338548661440).

8380679344640 is an abundant number, since it is smaller than the sum of its proper divisors (14296417978240).

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

8380679344640 is a wasteful number, since it uses less digits than its factorization.

8380679344640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5360 (or 5325 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 62.

The spelling of 8380679344640 in words is "eight trillion, three hundred eighty billion, six hundred seventy-nine million, three hundred forty-four thousand, six hundred forty".