240032340 has 72 divisors (see below), whose sum is σ = 734603688. Its totient is φ = 63436800.

The previous prime is 240032329. The next prime is 240032341. The reversal of 240032340 is 43230042.

240032340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30276 + 240002064 = 174^2 + 15492^2 .

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240032341) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14440 + ... + 26240.

It is an arithmetic number, because the mean of its divisors is an integer number (10202829).

Almost surely, 2^240032340 is an apocalyptic number.

240032340 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 240032340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367301844).

240032340 is an abundant number, since it is smaller than the sum of its proper divisors (494571348).

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

240032340 is a wasteful number, since it uses less digits than its factorization.

240032340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11929 (or 11924 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 240032340 is about 15492.9771186819. The cubic root of 240032340 is about 621.4744132424.

Adding to 240032340 its reverse (43230042), we get a palindrome (283262382).

The spelling of 240032340 in words is "two hundred forty million, thirty-two thousand, three hundred forty".