6215356800 has 288 divisors, whose sum is σ = 23002095480. Its totient is φ = 1657221120.

The previous prime is 6215356793. The next prime is 6215356801. The reversal of 6215356800 is 86535126.

6215356800 is a `hidden beast` number, since 62 + 1 + 535 + 68 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6215356801) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 773604 + ... + 781596.

Almost surely, 2^6215356800 is an apocalyptic number.

6215356800 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 6215356800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11501047740).

6215356800 is an abundant number, since it is smaller than the sum of its proper divisors (16786738680).

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

6215356800 is an equidigital number, since it uses as much as digits as its factorization.

6215356800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8032 (or 8003 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6215356800 is about 78837.5342080154. The cubic root of 6215356800 is about 1838.6060646109.

The spelling of 6215356800 in words is "six billion, two hundred fifteen million, three hundred fifty-six thousand, eight hundred".