6639315384000 has 896 divisors, whose sum is σ = 24474987823104. Its totient is φ = 1574830080000.

The previous prime is 6639315383993. The next prime is 6639315384101. The reversal of 6639315384000 is 4835139366.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2485702665 + ... + 2485705335.

It is an arithmetic number, because the mean of its divisors is an integer number (27315834624).

Almost surely, 2^{6639315384000} is an apocalyptic number.

6639315384000 is a gapful number since it is divisible by the number (60) 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 6639315384000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12237493911552).

6639315384000 is an abundant number, since it is smaller than the sum of its proper divisors (17835672439104).

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

6639315384000 is a wasteful number, since it uses less digits than its factorization.

6639315384000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3002 (or 2982 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 48.

The spelling of 6639315384000 in words is "six trillion, six hundred thirty-nine billion, three hundred fifteen million, three hundred eighty-four thousand".