240042002240 has 28 divisors (see below), whose sum is σ = 571600018596. Its totient is φ = 96016800768.

The previous prime is 240042002227. The next prime is 240042002273. The reversal of 240042002240 is 42200240042.

It can be written as a sum of positive squares in 2 ways, for example, as 114476662336 + 125565339904 = 338344^2 + 354352^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 375065309 + ... + 375065948.

Almost surely, 2^240042002240 is an apocalyptic number.

240042002240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240042002240 is an abundant number, since it is smaller than the sum of its proper divisors (331558016356).

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

240042002240 is an equidigital number, since it uses as much as digits as its factorization.

240042002240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750131274 (or 750131264 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 240042002240 its reverse (42200240042), we get a palindrome (282242242282).

The spelling of 240042002240 in words is "two hundred forty billion, forty-two million, two thousand, two hundred forty".