1330644484 has 81 divisors (see below), whose sum is σ = 2679850719. Its totient is φ = 577811520.

The previous prime is 1330644481. The next prime is 1330644517. The reversal of 1330644484 is 4844460331.

The square root of 1330644484 is 36478.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 935748100 + 394896384 = 30590^2 + 19872^2 .

It is a super-2 number, since 2×1330644484² = 3541229485599252512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1330644481) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 21813814 + ... + 21813874.

Almost surely, 2^1330644484 is an apocalyptic number.

1330644484 is the 36478-th square number.

It is an amenable number.

1330644484 is an abundant number, since it is smaller than the sum of its proper divisors (1349206235).

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

1330644484 is a wasteful number, since it uses less digits than its factorization.

1330644484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 37.

The cubic root of 1330644484 is about 1099.9020529868.

The spelling of 1330644484 in words is "one billion, three hundred thirty million, six hundred forty-four thousand, four hundred eighty-four".