240344020 has 72 divisors (see below), whose sum is σ = 612710784. Its totient is φ = 78813504.

The previous prime is 240343979. The next prime is 240344021. The reversal of 240344020 is 20443042.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240344021) 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, 17209 + ... + 27871.

It is an arithmetic number, because the mean of its divisors is an integer number (8509872).

Almost surely, 2^240344020 is an apocalyptic number.

240344020 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 240344020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (306355392).

240344020 is an abundant number, since it is smaller than the sum of its proper divisors (372366764).

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

240344020 is a wasteful number, since it uses less digits than its factorization.

240344020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10709 (or 10700 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 240344020 is about 15503.0326065580. The cubic root of 240344020 is about 621.7432900193.

Adding to 240344020 its reverse (20443042), we get a palindrome (260787062).

The spelling of 240344020 in words is "two hundred forty million, three hundred forty-four thousand, twenty".