234281680 has 80 divisors (see below), whose sum is σ = 572713344. Its totient is φ = 88957440.

The previous prime is 234281651. The next prime is 234281701. The reversal of 234281680 is 86182432.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 288475 + ... + 289285.

Almost surely, 2^234281680 is an apocalyptic number.

234281680 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 234281680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (286356672).

234281680 is an abundant number, since it is smaller than the sum of its proper divisors (338431664).

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

234281680 is a wasteful number, since it uses less digits than its factorization.

234281680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004 (or 998 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 34.

The square root of 234281680 is about 15306.2627705133. The cubic root of 234281680 is about 616.4711777069.

The spelling of 234281680 in words is "two hundred thirty-four million, two hundred eighty-one thousand, six hundred eighty".