1326869002404 has 243 divisors, whose sum is σ = 3816200185707. Its totient is φ = 388420005600.

The previous prime is 1326869002367. The next prime is 1326869002427. The reversal of 1326869002404 is 4042009686231.

The square root of 1326869002404 is 1151898.

It is a perfect power (a square), and thus also a powerful number.

1326869002404 is a `hidden beast` number, since 1 + 326 + 86 + 9 + 0 + 0 + 240 + 4 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1326869002404.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 2356783027 + ... + 2356783589.

Almost surely, 2^{1326869002404} is an apocalyptic number.

1326869002404 is the 1151898-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1326869002404

1326869002404 is an abundant number, since it is smaller than the sum of its proper divisors (2489331183303).

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

1326869002404 is a wasteful number, since it uses less digits than its factorization.

1326869002404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220 (or 610 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 45.

The spelling of 1326869002404 in words is "one trillion, three hundred twenty-six billion, eight hundred sixty-nine million, two thousand, four hundred four".