1330403420444 has 96 divisors (see below), whose sum is σ = 2867949504000. Its totient is φ = 527008794624.

The previous prime is 1330403420417. The next prime is 1330403420513. The reversal of 1330403420444 is 4440243040331.

It is a super-2 number, since 2×1330403420444² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1330403420444.

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, 28594352 + ... + 28640840.

It is an arithmetic number, because the mean of its divisors is an integer number (29874474000).

Almost surely, 2^{1330403420444} is an apocalyptic number.

1330403420444 is a gapful number since it is divisible by the number (14) 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 1330403420444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1433974752000).

1330403420444 is an abundant number, since it is smaller than the sum of its proper divisors (1537546083556).

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

1330403420444 is a wasteful number, since it uses less digits than its factorization.

1330403420444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47595 (or 47593 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

Adding to 1330403420444 its reverse (4440243040331), we get a palindrome (5770646460775).

The spelling of 1330403420444 in words is "one trillion, three hundred thirty billion, four hundred three million, four hundred twenty thousand, four hundred forty-four".