1329234440868 has 72 divisors (see below), whose sum is σ = 3398382973440. Its totient is φ = 438027932160.

The previous prime is 1329234440843. The next prime is 1329234440887. The reversal of 1329234440868 is 8680444329231.

It is a happy number.

1329234440868 is a `hidden beast` number, since 1 + 3 + 2 + 92 + 34 + 440 + 86 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2972293 + ... + 3390131.

It is an arithmetic number, because the mean of its divisors is an integer number (47199763520).

Almost surely, 2^{1329234440868} is an apocalyptic number.

1329234440868 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1329234440868 is an abundant number, since it is smaller than the sum of its proper divisors (2069148532572).

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

1329234440868 is a wasteful number, since it uses less digits than its factorization.

1329234440868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418857 (or 418852 counting only the distinct ones).

The product of its (nonzero) digits is 7962624, while the sum is 54.

The spelling of 1329234440868 in words is "one trillion, three hundred twenty-nine billion, two hundred thirty-four million, four hundred forty thousand, eight hundred sixty-eight".