330404440420 has 12 divisors (see below), whose sum is σ = 693849324924. Its totient is φ = 132161776160.

The previous prime is 330404440381. The next prime is 330404440463. The reversal of 330404440420 is 24044404033.

It can be written as a sum of positive squares in 2 ways, for example, as 263269557604 + 67134882816 = 513098^2 + 259104^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8260110991 + ... + 8260111030.

It is an arithmetic number, because the mean of its divisors is an integer number (57820777077).

Almost surely, 2^330404440420 is an apocalyptic number.

It is an amenable number.

330404440420 is an abundant number, since it is smaller than the sum of its proper divisors (363444884504).

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

330404440420 is a wasteful number, since it uses less digits than its factorization.

330404440420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16520222030 (or 16520222028 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

Adding to 330404440420 its reverse (24044404033), we get a palindrome (354448844453).

The spelling of 330404440420 in words is "three hundred thirty billion, four hundred four million, four hundred forty thousand, four hundred twenty".