6201722880 has 240 divisors, whose sum is σ = 22231869660. Its totient is φ = 1653571584.

The previous prime is 6201722851. The next prime is 6201722941. The reversal of 6201722880 is 882271026.

It is a happy number.

6201722880 is a `hidden beast` number, since 620 + 1 + 7 + 2 + 28 + 8 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5912994816 + 288728064 = 76896^2 + 16992^2 .

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-2 number, since 2×6201722880² = 76922733360630988800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 825702 + ... + 833178.

Almost surely, 2^6201722880 is an apocalyptic number.

6201722880 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 6201722880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11115934830).

6201722880 is an abundant number, since it is smaller than the sum of its proper divisors (16030146780).

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

6201722880 is an equidigital number, since it uses as much as digits as its factorization.

6201722880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7516 (or 7487 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 6201722880 is about 78751.0182791308. The cubic root of 6201722880 is about 1837.2607001990.

The spelling of 6201722880 in words is "six billion, two hundred one million, seven hundred twenty-two thousand, eight hundred eighty".