4402401020 has 96 divisors (see below), whose sum is σ = 9823887360. Its totient is φ = 1653808640.

The previous prime is 4402400993. The next prime is 4402401041. The reversal of 4402401020 is 201042044.

It is a super-2 number, since 2×4402401020² = 38762269481794080800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4402401020.

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, 7819259 + ... + 7819821.

It is an arithmetic number, because the mean of its divisors is an integer number (102332160).

Almost surely, 2^4402401020 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 4402401020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4911943680).

4402401020 is an abundant number, since it is smaller than the sum of its proper divisors (5421486340).

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

4402401020 is a wasteful number, since it uses less digits than its factorization.

4402401020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 875 (or 873 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4402401020 is about 66350.5917079871. The cubic root of 4402401020 is about 1638.9405486315.

Adding to 4402401020 its reverse (201042044), we get a palindrome (4603443064).

The spelling of 4402401020 in words is "four billion, four hundred two million, four hundred one thousand, twenty".