6621052949280 has 576 divisors, whose sum is σ = 29394345996288. Its totient is φ = 1315985172480.

The previous prime is 6621052949239. The next prime is 6621052949281. The reversal of 6621052949280 is 829492501266.

6621052949280 is a `hidden beast` number, since 6 + 6 + 21 + 0 + 52 + 9 + 492 + 80 = 666.

It is not an unprimeable number, because it can be changed into a prime (6621052949281) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1252117 + ... + 3848363.

It is an arithmetic number, because the mean of its divisors is an integer number (51031850688).

Almost surely, 2^{6621052949280} is an apocalyptic number.

6621052949280 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 6621052949280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14697172998144).

6621052949280 is an abundant number, since it is smaller than the sum of its proper divisors (22773293047008).

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

6621052949280 is a wasteful number, since it uses less digits than its factorization.

6621052949280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596309 (or 2596298 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 6621052949280 in words is "six trillion, six hundred twenty-one billion, fifty-two million, nine hundred forty-nine thousand, two hundred eighty".