240530215 has 16 divisors (see below), whose sum is σ = 306061920. Its totient is φ = 180956160.

The previous prime is 240530203. The next prime is 240530249. The reversal of 240530215 is 512035042.

It is not a de Polignac number, because 240530215 - 2⁹ = 240529703 is a prime.

It is a congruent number.

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, 3775 + ... + 22255.

It is an arithmetic number, because the mean of its divisors is an integer number (19128870).

Almost surely, 2^240530215 is an apocalyptic number.

240530215 is a deficient number, since it is larger than the sum of its proper divisors (65531705).

240530215 is a wasteful number, since it uses less digits than its factorization.

240530215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 240530215 is about 15509.0365593740. The cubic root of 240530215 is about 621.9038038391.

Adding to 240530215 its reverse (512035042), we get a palindrome (752565257).

The spelling of 240530215 in words is "two hundred forty million, five hundred thirty thousand, two hundred fifteen".