6522788078400 has 336 divisors, whose sum is σ = 23353351718400. Its totient is φ = 1580760422400.

The previous prime is 6522788078383. The next prime is 6522788078407. The reversal of 6522788078400 is 48708872256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6522788078407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 174168477 + ... + 174205923.

Almost surely, 2^{6522788078400} is an apocalyptic number.

6522788078400 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 6522788078400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11676675859200).

6522788078400 is an abundant number, since it is smaller than the sum of its proper divisors (16830563640000).

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

6522788078400 is a wasteful number, since it uses less digits than its factorization.

6522788078400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40782 (or 40767 counting only the distinct ones).

The product of its (nonzero) digits is 12042240, while the sum is 57.

The spelling of 6522788078400 in words is "six trillion, five hundred twenty-two billion, seven hundred eighty-eight million, seventy-eight thousand, four hundred".