232455404240 has 40 divisors (see below), whose sum is σ = 568904019360. Its totient is φ = 88088363136.

The previous prime is 232455404231. The next prime is 232455404267. The reversal of 232455404240 is 42404554232.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 232455404240.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76464074 + ... + 76467113.

It is an arithmetic number, because the mean of its divisors is an integer number (14222600484).

Almost surely, 2^232455404240 is an apocalyptic number.

232455404240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

232455404240 is an abundant number, since it is smaller than the sum of its proper divisors (336448615120).

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

232455404240 is a wasteful number, since it uses less digits than its factorization.

232455404240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152931219 (or 152931213 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 35.

Adding to 232455404240 its reverse (42404554232), we get a palindrome (274859958472).

The spelling of 232455404240 in words is "two hundred thirty-two billion, four hundred fifty-five million, four hundred four thousand, two hundred forty".