215010880 has 56 divisors (see below), whose sum is σ = 585142848. Its totient is φ = 73717248.

The previous prime is 215010857. The next prime is 215010881. The reversal of 215010880 is 88010512.

It is a tau number, because it is divible by the number of its divisors (56).

It is not an unprimeable number, because it can be changed into a prime (215010881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45754 + ... + 50233.

Almost surely, 2^215010880 is an apocalyptic number.

215010880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215010880 is an abundant number, since it is smaller than the sum of its proper divisors (370131968).

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

215010880 is an equidigital number, since it uses as much as digits as its factorization.

215010880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96011 (or 96001 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 25.

The square root of 215010880 is about 14663.2492988423. The cubic root of 215010880 is about 599.0827466064.

The spelling of 215010880 in words is "two hundred fifteen million, ten thousand, eight hundred eighty".