1326639880830 has 64 divisors (see below), whose sum is σ = 3473520599808. Its totient is φ = 321597058560.

The previous prime is 1326639880801. The next prime is 1326639880927. The reversal of 1326639880830 is 380889366231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10498182 + ... + 10623798.

It is an arithmetic number, because the mean of its divisors is an integer number (54273759372).

Almost surely, 2^{1326639880830} is an apocalyptic number.

1326639880830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1326639880830 is an abundant number, since it is smaller than the sum of its proper divisors (2146880718978).

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

1326639880830 is a wasteful number, since it uses less digits than its factorization.

1326639880830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157641.

The product of its (nonzero) digits is 8957952, while the sum is 57.

The spelling of 1326639880830 in words is "one trillion, three hundred twenty-six billion, six hundred thirty-nine million, eight hundred eighty thousand, eight hundred thirty".