1328544336 has 40 divisors (see below), whose sum is σ = 3922369984. Its totient is φ = 379584000.

The previous prime is 1328544319. The next prime is 1328544431. The reversal of 1328544336 is 6334458231.

It is a junction number, because it is equal to n+sod(n) for n = 1328544294 and 1328544303.

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, 1976665 + ... + 1977336.

Almost surely, 2^1328544336 is an apocalyptic number.

1328544336 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1328544336 is an abundant number, since it is smaller than the sum of its proper divisors (2593825648).

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

1328544336 is a wasteful number, since it uses less digits than its factorization.

1328544336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3954019 (or 3954013 counting only the distinct ones).

The product of its digits is 207360, while the sum is 39.

The square root of 1328544336 is about 36449.2021311853. The cubic root of 1328544336 is about 1099.3230920760.

The spelling of 1328544336 in words is "one billion, three hundred twenty-eight million, five hundred forty-four thousand, three hundred thirty-six".