235424240 has 40 divisors (see below), whose sum is σ = 548008080. Its totient is φ = 94058496.

The previous prime is 235424237. The next prime is 235424243. The reversal of 235424240 is 42424532.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (235424237) and next prime (235424243).

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235424243) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 115712 + ... + 117728.

It is an arithmetic number, because the mean of its divisors is an integer number (13700202).

Almost surely, 2^235424240 is an apocalyptic number.

235424240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235424240 is an abundant number, since it is smaller than the sum of its proper divisors (312583840).

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

235424240 is a wasteful number, since it uses less digits than its factorization.

235424240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3489 (or 3483 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 235424240 is about 15343.5406604864. The cubic root of 235424240 is about 617.4717017853.

Adding to 235424240 its reverse (42424532), we get a palindrome (277848772).

The spelling of 235424240 in words is "two hundred thirty-five million, four hundred twenty-four thousand, two hundred forty".