1325405401244 has 24 divisors (see below), whose sum is σ = 2321798426640. Its totient is φ = 662034612096.

The previous prime is 1325405401241. The next prime is 1325405401261. The reversal of 1325405401244 is 4421045045231.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1325405401241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33828914 + ... + 33868070.

It is an arithmetic number, because the mean of its divisors is an integer number (96741601110).

Almost surely, 2^{1325405401244} is an apocalyptic number.

It is an amenable number.

1325405401244 is a deficient number, since it is larger than the sum of its proper divisors (996393025396).

1325405401244 is a wasteful number, since it uses less digits than its factorization.

1325405401244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47477 (or 47475 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

The spelling of 1325405401244 in words is "one trillion, three hundred twenty-five billion, four hundred five million, four hundred one thousand, two hundred forty-four".