4240220042040 has 32 divisors (see below), whose sum is σ = 12720660126480. Its totient is φ = 1130725344512.

The previous prime is 4240220042029. The next prime is 4240220042077. The reversal of 4240220042040 is 402400220424.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 4240220042040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17667583389 + ... + 17667583628.

Almost surely, 2^{4240220042040} is an apocalyptic number.

4240220042040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4240220042040 is an abundant number, since it is smaller than the sum of its proper divisors (8480440084440).

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

4240220042040 is a wasteful number, since it uses less digits than its factorization.

4240220042040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35335167031 (or 35335167027 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

Adding to 4240220042040 its reverse (402400220424), we get a palindrome (4642620262464).

The spelling of 4240220042040 in words is "four trillion, two hundred forty billion, two hundred twenty million, forty-two thousand, forty".