235443140 has 48 divisors (see below), whose sum is σ = 512193024. Its totient is φ = 90816000.

The previous prime is 235443133. The next prime is 235443179. The reversal of 235443140 is 41344532.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248147 + ... + 249093.

It is an arithmetic number, because the mean of its divisors is an integer number (10670688).

Almost surely, 2^235443140 is an apocalyptic number.

235443140 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 235443140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256096512).

235443140 is an abundant number, since it is smaller than the sum of its proper divisors (276749884).

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

235443140 is a wasteful number, since it uses less digits than its factorization.

235443140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1388 (or 1386 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 235443140 is about 15344.1565424757. The cubic root of 235443140 is about 617.4882250100.

Adding to 235443140 its reverse (41344532), we get a palindrome (276787672).

The spelling of 235443140 in words is "two hundred thirty-five million, four hundred forty-three thousand, one hundred forty".