4042404044220 has 96 divisors (see below), whose sum is σ = 11392936543296. Its totient is φ = 1070909798400.

The previous prime is 4042404044219. The next prime is 4042404044251. The reversal of 4042404044220 is 224404042404.

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 pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54796960 + ... + 54870680.

It is an arithmetic number, because the mean of its divisors is an integer number (118676422326).

Almost surely, 2^{4042404044220} 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 4042404044220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5696468271648).

4042404044220 is an abundant number, since it is smaller than the sum of its proper divisors (7350532499076).

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

4042404044220 is a wasteful number, since it uses less digits than its factorization.

4042404044220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79711 (or 79709 counting only the distinct ones).

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

Adding to 4042404044220 its reverse (224404042404), we get a palindrome (4266808086624).

The spelling of 4042404044220 in words is "four trillion, forty-two billion, four hundred four million, forty-four thousand, two hundred twenty".