240232540 has 24 divisors (see below), whose sum is σ = 509487552. Its totient is φ = 95140800.

The previous prime is 240232513. The next prime is 240232541. The reversal of 240232540 is 45232042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240232541) 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, 57444 + ... + 61483.

It is an arithmetic number, because the mean of its divisors is an integer number (21228648).

Almost surely, 2^240232540 is an apocalyptic number.

240232540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240232540 is an abundant number, since it is smaller than the sum of its proper divisors (269255012).

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

240232540 is a wasteful number, since it uses less digits than its factorization.

240232540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119037 (or 119035 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 240232540 is about 15499.4367639602. The cubic root of 240232540 is about 621.6471463594.

Adding to 240232540 its reverse (45232042), we get a palindrome (285464582).

The spelling of 240232540 in words is "two hundred forty million, two hundred thirty-two thousand, five hundred forty".