4240243344420 has 72 divisors (see below), whose sum is σ = 12868924965624. Its totient is φ = 1130129054208.

The previous prime is 4240243344391. The next prime is 4240243344461. The reversal of 4240243344420 is 244433420424.

4240243344420 is a `hidden beast` number, since 4 + 240 + 24 + 334 + 44 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 71100089316 + 4169143255104 = 266646^2 + 2041848^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5937289 + ... + 6613008.

It is an arithmetic number, because the mean of its divisors is an integer number (178735068967).

Almost surely, 2^{4240243344420} is an apocalyptic number.

It is an amenable number.

4240243344420 is an abundant number, since it is smaller than the sum of its proper divisors (8628681621204).

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

4240243344420 is a wasteful number, since it uses less digits than its factorization.

4240243344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12552189 (or 12552184 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 36.

Adding to 4240243344420 its reverse (244433420424), we get a palindrome (4484676764844).

The spelling of 4240243344420 in words is "four trillion, two hundred forty billion, two hundred forty-three million, three hundred forty-four thousand, four hundred twenty".