240312005505 has 48 divisors (see below), whose sum is σ = 489362642496. Its totient is φ = 107552223360.

The previous prime is 240312005497. The next prime is 240312005509. The reversal of 240312005505 is 505500213042.

It is a happy number.

240312005505 is a `hidden beast` number, since 2 + 403 + 1 + 200 + 5 + 50 + 5 = 666.

It is not a de Polignac number, because 240312005505 - 2³ = 240312005497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240312005509) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18665827 + ... + 18678696.

It is an arithmetic number, because the mean of its divisors is an integer number (10195055052).

Almost surely, 2^240312005505 is an apocalyptic number.

It is an amenable number.

240312005505 is an abundant number, since it is smaller than the sum of its proper divisors (249050636991).

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

240312005505 is a wasteful number, since it uses less digits than its factorization.

240312005505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37344558 (or 37344555 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

Adding to 240312005505 its reverse (505500213042), we get a palindrome (745812218547).

The spelling of 240312005505 in words is "two hundred forty billion, three hundred twelve million, five thousand, five hundred five".