1326405200041 has 4 divisors (see below), whose sum is σ = 1329712944084. Its totient is φ = 1323097456000.

The previous prime is 1326405200033. The next prime is 1326405200047. The reversal of 1326405200041 is 1400025046231.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1148388713641 + 178016486400 = 1071629^2 + 421920^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326405200041 - 2³ = 1326405200033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1326405199982 and 1326405200009.

It is not an unprimeable number, because it can be changed into a prime (1326405200047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1653871420 + ... + 1653872221.

It is an arithmetic number, because the mean of its divisors is an integer number (332428236021).

Almost surely, 2^{1326405200041} is an apocalyptic number.

It is an amenable number.

1326405200041 is a deficient number, since it is larger than the sum of its proper divisors (3307744043).

1326405200041 is an equidigital number, since it uses as much as digits as its factorization.

1326405200041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3307744042.

The product of its (nonzero) digits is 5760, while the sum is 28.

The spelling of 1326405200041 in words is "one trillion, three hundred twenty-six billion, four hundred five million, two hundred thousand, forty-one".