1003442404420 has 96 divisors (see below), whose sum is σ = 2212917719040. Its totient is φ = 381699818880.

The previous prime is 1003442404357. The next prime is 1003442404439. The reversal of 1003442404420 is 244042443001.

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, 183006999 + ... + 183012481.

It is an arithmetic number, because the mean of its divisors is an integer number (23051226240).

Almost surely, 2^{1003442404420} is an apocalyptic number.

1003442404420 is a gapful number since it is divisible by the number (10) 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 1003442404420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1106458859520).

1003442404420 is an abundant number, since it is smaller than the sum of its proper divisors (1209475314620).

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

1003442404420 is a wasteful number, since it uses less digits than its factorization.

1003442404420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10585 (or 10583 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 1003442404420 its reverse (244042443001), we get a palindrome (1247484847421).

The spelling of 1003442404420 in words is "one trillion, three billion, four hundred forty-two million, four hundred four thousand, four hundred twenty".