235544324140 has 48 divisors (see below), whose sum is σ = 506221597728. Its totient is φ = 92012949504.

The previous prime is 235544324111. The next prime is 235544324159. The reversal of 235544324140 is 41423445532.

It is a super-2 number, since 2×235544324140² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 235544324140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7305094 + ... + 7337266.

It is an arithmetic number, because the mean of its divisors is an integer number (10546283286).

Almost surely, 2^235544324140 is an apocalyptic number.

235544324140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235544324140 is an abundant number, since it is smaller than the sum of its proper divisors (270677273588).

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

235544324140 is a wasteful number, since it uses less digits than its factorization.

235544324140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40738 (or 40736 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 235544324140 its reverse (41423445532), we get a palindrome (276967769672).

The spelling of 235544324140 in words is "two hundred thirty-five billion, five hundred forty-four million, three hundred twenty-four thousand, one hundred forty".