1329477444 has 81 divisors (see below), whose sum is σ = 3452060703. Its totient is φ = 431418384.

The previous prime is 1329477427. The next prime is 1329477463. The reversal of 1329477444 is 4447749231.

The square root of 1329477444 is 36462.

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

1329477444 is a `hidden beast` number, since 132 + 9 + 4 + 77 + 444 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1329477444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 12907497 + ... + 12907599.

Almost surely, 2^1329477444 is an apocalyptic number.

1329477444 is the 36462-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1329477444

1329477444 is an abundant number, since it is smaller than the sum of its proper divisors (2122583259).

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

1329477444 is a wasteful number, since it uses less digits than its factorization.

1329477444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334 (or 167 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The cubic root of 1329477444 is about 1099.5804030498.

The spelling of 1329477444 in words is "one billion, three hundred twenty-nine million, four hundred seventy-seven thousand, four hundred forty-four".