1329366044 has 24 divisors (see below), whose sum is σ = 2391746448. Its totient is φ = 646047360.

The previous prime is 1329366037. The next prime is 1329366053. The reversal of 1329366044 is 4406639231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1329365989 and 1329366007.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157352 + ... + 165584.

It is an arithmetic number, because the mean of its divisors is an integer number (99656102).

Almost surely, 2^1329366044 is an apocalyptic number.

It is an amenable number.

1329366044 is a deficient number, since it is larger than the sum of its proper divisors (1062380404).

1329366044 is a wasteful number, since it uses less digits than its factorization.

1329366044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9365 (or 9363 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 38.

The square root of 1329366044 is about 36460.4723502041. The cubic root of 1329366044 is about 1099.5496900607.

The spelling of 1329366044 in words is "one billion, three hundred twenty-nine million, three hundred sixty-six thousand, forty-four".