235204440 has 128 divisors (see below), whose sum is σ = 760320000. Its totient is φ = 58037760.

The previous prime is 235204429. The next prime is 235204447. The reversal of 235204440 is 44402532.

235204440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×235204440² = 110642257191427200, which contains 22 as substring.

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 235204440.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (235204447) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 84186 + ... + 86934.

It is an arithmetic number, because the mean of its divisors is an integer number (5940000).

Almost surely, 2^235204440 is an apocalyptic number.

235204440 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 235204440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380160000).

235204440 is an abundant number, since it is smaller than the sum of its proper divisors (525115560).

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

235204440 is a wasteful number, since it uses less digits than its factorization.

235204440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2817 (or 2813 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 235204440 is about 15336.3763647088. The cubic root of 235204440 is about 617.2794778244.

Adding to 235204440 its reverse (44402532), we get a palindrome (279606972).

The spelling of 235204440 in words is "two hundred thirty-five million, two hundred four thousand, four hundred forty".