215344080 has 120 divisors (see below), whose sum is σ = 826530432. Its totient is φ = 49220352.

The previous prime is 215344079. The next prime is 215344093. The reversal of 215344080 is 80443512.

215344080 is a `hidden beast` number, since 215 + 3 + 440 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16324 + ... + 26403.

Almost surely, 2^215344080 is an apocalyptic number.

215344080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215344080 is an abundant number, since it is smaller than the sum of its proper divisors (611186352).

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

215344080 is a wasteful number, since it uses less digits than its factorization.

215344080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42753 (or 42744 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 215344080 is about 14674.6066386803. The cubic root of 215344080 is about 599.3920508711.

Adding to 215344080 its reverse (80443512), we get a palindrome (295787592).

The spelling of 215344080 in words is "two hundred fifteen million, three hundred forty-four thousand, eighty".