1326869352504 has 128 divisors (see below), whose sum is σ = 3848487552000. Its totient is φ = 422785959552.

The previous prime is 1326869352451. The next prime is 1326869352521. The reversal of 1326869352504 is 4052539686231.

It is a happy number.

1326869352504 is a `hidden beast` number, since 1 + 3 + 2 + 6 + 86 + 9 + 3 + 52 + 504 = 666.

It is a super-2 number, since 2×1326869352504² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 7659454 + ... + 7830770.

It is an arithmetic number, because the mean of its divisors is an integer number (30066309000).

Almost surely, 2^{1326869352504} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326869352504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1924243776000).

1326869352504 is an abundant number, since it is smaller than the sum of its proper divisors (2521618199496).

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

1326869352504 is a wasteful number, since it uses less digits than its factorization.

1326869352504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172914 (or 172904 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

It can be divided in two parts, 132686 and 9352504, that added together give a triangular number (9485190 = T₄₃₅₅).

The spelling of 1326869352504 in words is "one trillion, three hundred twenty-six billion, eight hundred sixty-nine million, three hundred fifty-two thousand, five hundred four".