214840880 has 20 divisors (see below), whose sum is σ = 499505232. Its totient is φ = 85936320.

The previous prime is 214840877. The next prime is 214840891. The reversal of 214840880 is 88048412.

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 214840880.

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 3 ways as a sum of consecutive naturals, for example, 1342676 + ... + 1342835.

Almost surely, 2^214840880 is an apocalyptic number.

214840880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214840880 is an abundant number, since it is smaller than the sum of its proper divisors (284664352).

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

214840880 is a wasteful number, since it uses less digits than its factorization.

214840880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685524 (or 2685518 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 35.

The square root of 214840880 is about 14657.4513473523. The cubic root of 214840880 is about 598.9248151876.

The spelling of 214840880 in words is "two hundred fourteen million, eight hundred forty thousand, eight hundred eighty".