240340540 has 48 divisors (see below), whose sum is σ = 551779200. Its totient is φ = 87209280.

The previous prime is 240340523. The next prime is 240340559. The reversal of 240340540 is 45043042.

It is a happy number.

240340540 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 140611 + ... + 142309.

It is an arithmetic number, because the mean of its divisors is an integer number (11495400).

Almost surely, 2^240340540 is an apocalyptic number.

240340540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240340540 is an abundant number, since it is smaller than the sum of its proper divisors (311438660).

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

240340540 is a wasteful number, since it uses less digits than its factorization.

240340540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2360 counting only the distinct ones).

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

The square root of 240340540 is about 15502.9203700464. The cubic root of 240340540 is about 621.7402892136.

Adding to 240340540 its reverse (45043042), we get a palindrome (285383582).

The spelling of 240340540 in words is "two hundred forty million, three hundred forty thousand, five hundred forty".