4240242440220 has 96 divisors (see below), whose sum is σ = 12128280192000. Its totient is φ = 1106400201984.

The previous prime is 4240242440209. The next prime is 4240242440237. The reversal of 4240242440220 is 220442420424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11375766 + ... + 11742594.

It is an arithmetic number, because the mean of its divisors is an integer number (126336252000).

Almost surely, 2^{4240242440220} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4240242440220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6064140096000).

4240242440220 is an abundant number, since it is smaller than the sum of its proper divisors (7888037751780).

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

4240242440220 is a wasteful number, since it uses less digits than its factorization.

4240242440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 370987 (or 370985 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 30.

Adding to 4240242440220 its reverse (220442420424), we get a palindrome (4460684860644).

The spelling of 4240242440220 in words is "four trillion, two hundred forty billion, two hundred forty-two million, four hundred forty thousand, two hundred twenty".