1330794438 has 16 divisors (see below), whose sum is σ = 2662087680. Its totient is φ = 443515016.

The previous prime is 1330794433. The next prime is 1330794457. The reversal of 1330794438 is 8344970331.

It is a self number, because there is not a number n which added to its sum of digits gives 1330794438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1330794433) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 20083 + ... + 55361.

It is an arithmetic number, because the mean of its divisors is an integer number (166380480).

Almost surely, 2^1330794438 is an apocalyptic number.

1330794438 is an abundant number, since it is smaller than the sum of its proper divisors (1331293242).

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

1330794438 is a wasteful number, since it uses less digits than its factorization.

1330794438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41571.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 1330794438 is about 36480.0553453528. The cubic root of 1330794438 is about 1099.9433684343.

The spelling of 1330794438 in words is "one billion, three hundred thirty million, seven hundred ninety-four thousand, four hundred thirty-eight".