4220040443520 has 256 divisors, whose sum is σ = 14679878417280. Its totient is φ = 1022646435840.

The previous prime is 4220040443483. The next prime is 4220040443561. The reversal of 4220040443520 is 253440400224.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 56839062 + ... + 56913258.

Almost surely, 2^{4220040443520} is an apocalyptic number.

4220040443520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4220040443520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7339939208640).

4220040443520 is an abundant number, since it is smaller than the sum of its proper divisors (10459837973760).

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

4220040443520 is a wasteful number, since it uses less digits than its factorization.

4220040443520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76923 (or 76911 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 30.

Adding to 4220040443520 its reverse (253440400224), we get a palindrome (4473480843744).

The spelling of 4220040443520 in words is "four trillion, two hundred twenty billion, forty million, four hundred forty-three thousand, five hundred twenty".