240530340 has 48 divisors (see below), whose sum is σ = 691693632. Its totient is φ = 62407296.

The previous prime is 240530309. The next prime is 240530341. The reversal of 240530340 is 43035042.

It is a happy number.

240530340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240530341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51954 + ... + 56393.

It is an arithmetic number, because the mean of its divisors is an integer number (14410284).

Almost surely, 2^240530340 is an apocalyptic number.

240530340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240530340 is an abundant number, since it is smaller than the sum of its proper divisors (451163292).

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

240530340 is a wasteful number, since it uses less digits than its factorization.

240530340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108396 (or 108394 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 240530340 is about 15509.0405892821. The cubic root of 240530340 is about 621.9039115705.

Adding to 240530340 its reverse (43035042), we get a palindrome (283565382).

The spelling of 240530340 in words is "two hundred forty million, five hundred thirty thousand, three hundred forty".