240113520 has 60 divisors (see below), whose sum is σ = 806383656. Its totient is φ = 64030080.

The previous prime is 240113513. The next prime is 240113521. The reversal of 240113520 is 25311042.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 240113493 and 240113502.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240113521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166026 + ... + 167465.

Almost surely, 2^240113520 is an apocalyptic number.

240113520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240113520 is an abundant number, since it is smaller than the sum of its proper divisors (566270136).

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

240113520 is a wasteful number, since it uses less digits than its factorization.

240113520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333510 (or 333501 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 240113520 is about 15495.5967939283. The cubic root of 240113520 is about 621.5444671448.

Adding to 240113520 its reverse (25311042), we get a palindrome (265424562).

The spelling of 240113520 in words is "two hundred forty million, one hundred thirteen thousand, five hundred twenty".