215236782080 has 384 divisors, whose sum is σ = 563234031360. Its totient is φ = 78721843200.

The previous prime is 215236782073. The next prime is 215236782097. The reversal of 215236782080 is 80287632512.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 536749880 + ... + 536750280.

It is an arithmetic number, because the mean of its divisors is an integer number (1466755290).

Almost surely, 2^215236782080 is an apocalyptic number.

215236782080 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 215236782080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (281617015680).

215236782080 is an abundant number, since it is smaller than the sum of its proper divisors (347997249280).

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

215236782080 is a wasteful number, since it uses less digits than its factorization.

215236782080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547 (or 527 counting only the distinct ones).

The product of its (nonzero) digits is 322560, while the sum is 44.

The spelling of 215236782080 in words is "two hundred fifteen billion, two hundred thirty-six million, seven hundred eighty-two thousand, eighty".