234281440 has 24 divisors (see below), whose sum is σ = 553490280. Its totient is φ = 93712512.

The previous prime is 234281413. The next prime is 234281449. The reversal of 234281440 is 44182432.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 234281399 and 234281408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (234281449) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 731970 + ... + 732289.

It is an arithmetic number, because the mean of its divisors is an integer number (23062095).

Almost surely, 2^234281440 is an apocalyptic number.

234281440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

234281440 is an abundant number, since it is smaller than the sum of its proper divisors (319208840).

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

234281440 is a wasteful number, since it uses less digits than its factorization.

234281440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464274 (or 1464266 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

The square root of 234281440 is about 15306.2549305831. The cubic root of 234281440 is about 616.4709672008.

The spelling of 234281440 in words is "two hundred thirty-four million, two hundred eighty-one thousand, four hundred forty".