235520032240 has 20 divisors (see below), whose sum is σ = 547584075144. Its totient is φ = 94208012864.

The previous prime is 235520032217. The next prime is 235520032277. The reversal of 235520032240 is 42230025532.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 235520032199 and 235520032208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1472000122 + ... + 1472000281.

Almost surely, 2^235520032240 is an apocalyptic number.

235520032240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235520032240 is an abundant number, since it is smaller than the sum of its proper divisors (312064042904).

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

235520032240 is a wasteful number, since it uses less digits than its factorization.

235520032240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944000416 (or 2944000410 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 28.

Adding to 235520032240 its reverse (42230025532), we get a palindrome (277750057772).

The spelling of 235520032240 in words is "two hundred thirty-five billion, five hundred twenty million, thirty-two thousand, two hundred forty".