240536240 has 40 divisors (see below), whose sum is σ = 639140640. Its totient is φ = 82469376.

The previous prime is 240536221. The next prime is 240536249. The reversal of 240536240 is 42635042.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (240536249) 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 7 ways as a sum of consecutive naturals, for example, 214205 + ... + 215324.

It is an arithmetic number, because the mean of its divisors is an integer number (15978516).

Almost surely, 2^240536240 is an apocalyptic number.

240536240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240536240 is an abundant number, since it is smaller than the sum of its proper divisors (398604400).

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

240536240 is a wasteful number, since it uses less digits than its factorization.

240536240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429549 (or 429543 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 240536240 is about 15509.2307997528. The cubic root of 240536240 is about 621.9089964496.

The spelling of 240536240 in words is "two hundred forty million, five hundred thirty-six thousand, two hundred forty".