240536340 has 144 divisors (see below), whose sum is σ = 815645376. Its totient is φ = 56870400.

The previous prime is 240536339. The next prime is 240536357. The reversal of 240536340 is 43635042.

240536340 is a `hidden beast` number, since 24 + 0 + 5 + 3 + 634 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 79699 + ... + 82661.

It is an arithmetic number, because the mean of its divisors is an integer number (5664204).

Almost surely, 2^240536340 is an apocalyptic number.

240536340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 240536340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (407822688).

240536340 is an abundant number, since it is smaller than the sum of its proper divisors (575109036).

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

240536340 is a wasteful number, since it uses less digits than its factorization.

240536340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3030 (or 3025 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 27.

The square root of 240536340 is about 15509.2340236389. The cubic root of 240536340 is about 621.9090826333.

The spelling of 240536340 in words is "two hundred forty million, five hundred thirty-six thousand, three hundred forty".