1326506289396 has 48 divisors (see below), whose sum is σ = 3099883785600. Its totient is φ = 441497336832.

The previous prime is 1326506289389. The next prime is 1326506289397. The reversal of 1326506289396 is 6939826056231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1326506289397) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33335400 + ... + 33375168.

It is an arithmetic number, because the mean of its divisors is an integer number (64580912200).

Almost surely, 2^{1326506289396} is an apocalyptic number.

It is an amenable number.

1326506289396 is an abundant number, since it is smaller than the sum of its proper divisors (1773377496204).

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

1326506289396 is a wasteful number, since it uses less digits than its factorization.

1326506289396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43928 (or 43926 counting only the distinct ones).

The product of its (nonzero) digits is 25194240, while the sum is 60.

The spelling of 1326506289396 in words is "one trillion, three hundred twenty-six billion, five hundred six million, two hundred eighty-nine thousand, three hundred ninety-six".