4040420440220 has 48 divisors (see below), whose sum is σ = 9039063680640. Its totient is φ = 1512659612736.

The previous prime is 4040420440171. The next prime is 4040420440241. The reversal of 4040420440220 is 220440240404.

It is a self number, because there is not a number n which added to its sum of digits gives 4040420440220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64020782 + ... + 64083861.

It is an arithmetic number, because the mean of its divisors is an integer number (188313826680).

Almost surely, 2^{4040420440220} is an apocalyptic number.

It is an amenable number.

4040420440220 is an abundant number, since it is smaller than the sum of its proper divisors (4998643240420).

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

4040420440220 is a wasteful number, since it uses less digits than its factorization.

4040420440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128104754 (or 128104752 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 4040420440220 its reverse (220440240404), we get a palindrome (4260860680624).

The spelling of 4040420440220 in words is "four trillion, forty billion, four hundred twenty million, four hundred forty thousand, two hundred twenty".