240335505 has 24 divisors (see below), whose sum is σ = 432012672. Its totient is φ = 128178288.

The previous prime is 240335489. The next prime is 240335509. The reversal of 240335505 is 505533042.

240335505 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 240335505 - 2⁴ = 240335489 is a prime.

It is a super-2 number, since 2×240335505² = 115522309927210050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (240335509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 97689 + ... + 100118.

It is an arithmetic number, because the mean of its divisors is an integer number (18000528).

Almost surely, 2^240335505 is an apocalyptic number.

It is an amenable number.

240335505 is a deficient number, since it is larger than the sum of its proper divisors (191677167).

240335505 is an equidigital number, since it uses as much as digits as its factorization.

240335505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197827 (or 197815 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

The square root of 240335505 is about 15502.7579804369. The cubic root of 240335505 is about 621.7359474795.

Adding to 240335505 its reverse (505533042), we get a palindrome (745868547).

The spelling of 240335505 in words is "two hundred forty million, three hundred thirty-five thousand, five hundred five".