240540306 has 32 divisors (see below), whose sum is σ = 488540160. Its totient is φ = 78942864.

The previous prime is 240540299. The next prime is 240540347. The reversal of 240540306 is 603045042.

240540306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 323371 + ... + 324113.

It is an arithmetic number, because the mean of its divisors is an integer number (15266880).

Almost surely, 2^240540306 is an apocalyptic number.

240540306 is an abundant number, since it is smaller than the sum of its proper divisors (247999854).

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

240540306 is a wasteful number, since it uses less digits than its factorization.

240540306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 240540306 is about 15509.3618824244. The cubic root of 240540306 is about 621.9125006585.

Adding to 240540306 its reverse (603045042), we get a palindrome (843585348).

The spelling of 240540306 in words is "two hundred forty million, five hundred forty thousand, three hundred six".