244404020420 has 48 divisors (see below), whose sum is σ = 586632321408. Its totient is φ = 83786711040.

The previous prime is 244404020363. The next prime is 244404020453. The reversal of 244404020420 is 24020404442.

It is a self number, because there is not a number n which added to its sum of digits gives 244404020420.

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, 1295300 + ... + 1471940.

It is an arithmetic number, because the mean of its divisors is an integer number (12221506696).

Almost surely, 2^244404020420 is an apocalyptic number.

244404020420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

244404020420 is an abundant number, since it is smaller than the sum of its proper divisors (342228300988).

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

244404020420 is a wasteful number, since it uses less digits than its factorization.

244404020420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186540 (or 186538 counting only the distinct ones).

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

Adding to 244404020420 its reverse (24020404442), we get a palindrome (268424424862).

The spelling of 244404020420 in words is "two hundred forty-four billion, four hundred four million, twenty thousand, four hundred twenty".