234144240 has 160 divisors (see below), whose sum is σ = 817661952. Its totient is φ = 54912000.

The previous prime is 234144223. The next prime is 234144283. The reversal of 234144240 is 42441432.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 234144240.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 80410 + ... + 83270.

Almost surely, 2^234144240 is an apocalyptic number.

234144240 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 234144240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408830976).

234144240 is an abundant number, since it is smaller than the sum of its proper divisors (583517712).

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

234144240 is a wasteful number, since it uses less digits than its factorization.

234144240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2919 (or 2913 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 234144240 is about 15301.7724463540. The cubic root of 234144240 is about 616.3506043691.

Adding to 234144240 its reverse (42441432), we get a palindrome (276585672).

The spelling of 234144240 in words is "two hundred thirty-four million, one hundred forty-four thousand, two hundred forty".