216255032 has 24 divisors (see below), whose sum is σ = 471679560. Its totient is φ = 92680560.

The previous prime is 216255023. The next prime is 216255049. The reversal of 216255032 is 230552612.

216255032 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 216254992 and 216255010.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275444 + ... + 276227.

It is an arithmetic number, because the mean of its divisors is an integer number (19653315).

Almost surely, 2^216255032 is an apocalyptic number.

It is an amenable number.

216255032 is an abundant number, since it is smaller than the sum of its proper divisors (255424528).

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

216255032 is a wasteful number, since it uses less digits than its factorization.

216255032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551691 (or 551680 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 216255032 is about 14705.6122619903. The cubic root of 216255032 is about 600.2360478642.

The spelling of 216255032 in words is "two hundred sixteen million, two hundred fifty-five thousand, thirty-two".