235504040 has 16 divisors (see below), whose sum is σ = 529884180. Its totient is φ = 94201600.

The previous prime is 235504037. The next prime is 235504079. The reversal of 235504040 is 40405532.

It can be written as a sum of positive squares in 2 ways, for example, as 195384484 + 40119556 = 13978^2 + 6334^2 .

It is a junction number, because it is equal to n+sod(n) for n = 235503997 and 235504015.

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, 2943761 + ... + 2943840.

Almost surely, 2^235504040 is an apocalyptic number.

235504040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

235504040 is an abundant number, since it is smaller than the sum of its proper divisors (294380140).

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

235504040 is a wasteful number, since it uses less digits than its factorization.

235504040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5887612 (or 5887608 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 235504040 is about 15346.1408829712. The cubic root of 235504040 is about 617.5414604975.

Adding to 235504040 its reverse (40405532), we get a palindrome (275909572).

The spelling of 235504040 in words is "two hundred thirty-five million, five hundred four thousand, forty".