240412240 has 40 divisors (see below), whose sum is σ = 569514888. Its totient is φ = 94348800.

The previous prime is 240412217. The next prime is 240412241. The reversal of 240412240 is 42214042.

It can be written as a sum of positive squares in 4 ways, for example, as 56972304 + 183439936 = 7548^2 + 13544^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240412241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24111 + ... + 32590.

Almost surely, 2^240412240 is an apocalyptic number.

240412240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240412240 is an abundant number, since it is smaller than the sum of its proper divisors (329102648).

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

240412240 is a wasteful number, since it uses less digits than its factorization.

240412240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56767 (or 56761 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 240412240 is about 15505.2326651360. The cubic root of 240412240 is about 621.8021103092.

Adding to 240412240 its reverse (42214042), we get a palindrome (282626282).

The spelling of 240412240 in words is "two hundred forty million, four hundred twelve thousand, two hundred forty".