6394952846880 has 768 divisors, whose sum is σ = 24730337318400. Its totient is φ = 1533362503680.

The previous prime is 6394952846819. The next prime is 6394952846923. The reversal of 6394952846880 is 886482594936.

It is a happy number.

6394952846880 is a `hidden beast` number, since 6 + 3 + 94 + 9 + 528 + 4 + 6 + 8 + 8 + 0 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 6394952846799 and 6394952846808.

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, 1812112956 + ... + 1812116484.

It is an arithmetic number, because the mean of its divisors is an integer number (32200960050).

Almost surely, 2^{6394952846880} is an apocalyptic number.

6394952846880 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 6394952846880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12365168659200).

6394952846880 is an abundant number, since it is smaller than the sum of its proper divisors (18335384471520).

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

6394952846880 is a wasteful number, since it uses less digits than its factorization.

6394952846880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4394 (or 4380 counting only the distinct ones).

The product of its (nonzero) digits is 716636160, while the sum is 72.

The spelling of 6394952846880 in words is "six trillion, three hundred ninety-four billion, nine hundred fifty-two million, eight hundred forty-six thousand, eight hundred eighty".