1326344994 has 96 divisors (see below), whose sum is σ = 3195192000. Its totient is φ = 394989696.

The previous prime is 1326344977. The next prime is 1326345011. The reversal of 1326344994 is 4994436231.

1326344994 is a `hidden beast` number, since 1 + 3 + 2 + 634 + 4 + 9 + 9 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (1326344977) and next prime (1326345011).

Its product of digits (559872) is a multiple of the sum of its prime factors (864).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2657757 + ... + 2658255.

It is an arithmetic number, because the mean of its divisors is an integer number (33283250).

Almost surely, 2^1326344994 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326344994, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1597596000).

1326344994 is an abundant number, since it is smaller than the sum of its proper divisors (1868847006).

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

1326344994 is a wasteful number, since it uses less digits than its factorization.

1326344994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864 (or 861 counting only the distinct ones).

The product of its digits is 559872, while the sum is 45.

The square root of 1326344994 is about 36419.0196737913. The cubic root of 1326344994 is about 1098.7161313124.

The spelling of 1326344994 in words is "one billion, three hundred twenty-six million, three hundred forty-four thousand, nine hundred ninety-four".