235225440 has 72 divisors (see below), whose sum is σ = 802711728. Its totient is φ = 62726400.

The previous prime is 235225429. The next prime is 235225493. The reversal of 235225440 is 44522532.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80236 + ... + 83115.

It is an arithmetic number, because the mean of its divisors is an integer number (11148774).

Almost surely, 2^235225440 is an apocalyptic number.

235225440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235225440 is an abundant number, since it is smaller than the sum of its proper divisors (567486288).

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

235225440 is a wasteful number, since it uses less digits than its factorization.

235225440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163372 (or 163361 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 235225440 is about 15337.0609961622. The cubic root of 235225440 is about 617.2978483440.

Adding to 235225440 its reverse (44522532), we get a palindrome (279747972).

The spelling of 235225440 in words is "two hundred thirty-five million, two hundred twenty-five thousand, four hundred forty".