240552515 has 24 divisors (see below), whose sum is σ = 350399520. Its totient is φ = 157774848.

The previous prime is 240552497. The next prime is 240552517. The reversal of 240552515 is 515255042.

It is not a de Polignac number, because 240552515 - 2⁶ = 240552451 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240552517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15710 + ... + 26979.

It is an arithmetic number, because the mean of its divisors is an integer number (14599980).

Almost surely, 2^240552515 is an apocalyptic number.

240552515 is a deficient number, since it is larger than the sum of its proper divisors (109847005).

240552515 is a wasteful number, since it uses less digits than its factorization.

240552515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42731 (or 42724 counting only the distinct ones).

The product of its (nonzero) digits is 10000, while the sum is 29.

The square root of 240552515 is about 15509.7554784078. The cubic root of 240552515 is about 621.9230225282.

The spelling of 240552515 in words is "two hundred forty million, five hundred fifty-two thousand, five hundred fifteen".