1330444434 has 64 divisors (see below), whose sum is σ = 2975035392. Its totient is φ = 393254400.

The previous prime is 1330444421. The next prime is 1330444441. The reversal of 1330444434 is 4344440331.

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, 453079 + ... + 456005.

It is an arithmetic number, because the mean of its divisors is an integer number (46484928).

Almost surely, 2^1330444434 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1330444434, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487517696).

1330444434 is an abundant number, since it is smaller than the sum of its proper divisors (1644590958).

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

1330444434 is a wasteful number, since it uses less digits than its factorization.

1330444434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3111.

The product of its (nonzero) digits is 27648, while the sum is 30.

The square root of 1330444434 is about 36475.2578332217. The cubic root of 1330444434 is about 1099.8469302158.

Adding to 1330444434 its reverse (4344440331), we get a palindrome (5674884765).

The spelling of 1330444434 in words is "one billion, three hundred thirty million, four hundred forty-four thousand, four hundred thirty-four".