215328754080 has 1344 divisors, whose sum is σ = 895189034880. Its totient is φ = 48776048640.

The previous prime is 215328753943. The next prime is 215328754087. The reversal of 215328754080 is 80457823512.

215328754080 is a `hidden beast` number, since 2 + 1 + 5 + 3 + 28 + 7 + 540 + 80 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (215328754087) by changing a digit.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 2949708924 + ... + 2949708996.

It is an arithmetic number, because the mean of its divisors is an integer number (666063270).

Almost surely, 2^215328754080 is an apocalyptic number.

215328754080 is a gapful number since it is divisible by the number (20) 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 215328754080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (447594517440).

215328754080 is an abundant number, since it is smaller than the sum of its proper divisors (679860280800).

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

215328754080 is an equidigital number, since it uses as much as digits as its factorization.

215328754080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 113 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 215328754080 in words is "two hundred fifteen billion, three hundred twenty-eight million, seven hundred fifty-four thousand, eighty".