234024140 has 96 divisors (see below), whose sum is σ = 597972480. Its totient is φ = 75147264.

The previous prime is 234024101. The next prime is 234024143. The reversal of 234024140 is 41420432.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (234024143) 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 31 ways as a sum of consecutive naturals, for example, 257567 + ... + 258473.

It is an arithmetic number, because the mean of its divisors is an integer number (6228880).

Almost surely, 2^234024140 is an apocalyptic number.

234024140 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 234024140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (298986240).

234024140 is an abundant number, since it is smaller than the sum of its proper divisors (363948340).

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

234024140 is a wasteful number, since it uses less digits than its factorization.

234024140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1039 (or 1037 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 234024140 is about 15297.8475610133. The cubic root of 234024140 is about 616.2452044276.

Adding to 234024140 its reverse (41420432), we get a palindrome (275444572).

The spelling of 234024140 in words is "two hundred thirty-four million, twenty-four thousand, one hundred forty".