1326932239428 has 144 divisors (see below), whose sum is σ = 3508531633152. Its totient is φ = 422368128000.

The previous prime is 1326932239411. The next prime is 1326932239447. The reversal of 1326932239428 is 8249322396231.

1326932239428 is a `hidden beast` number, since 1 + 3 + 269 + 322 + 39 + 4 + 28 = 666.

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, 32279848 + ... + 32320928.

It is an arithmetic number, because the mean of its divisors is an integer number (24364803008).

Almost surely, 2^{1326932239428} is an apocalyptic number.

1326932239428 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326932239428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1754265816576).

1326932239428 is an abundant number, since it is smaller than the sum of its proper divisors (2181599393724).

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

1326932239428 is a wasteful number, since it uses less digits than its factorization.

1326932239428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41506 (or 41501 counting only the distinct ones).

The product of its digits is 6718464, while the sum is 54.

The spelling of 1326932239428 in words is "one trillion, three hundred twenty-six billion, nine hundred thirty-two million, two hundred thirty-nine thousand, four hundred twenty-eight".