1324405521044 has 48 divisors (see below), whose sum is σ = 2461197856320. Its totient is φ = 622715639040.

The previous prime is 1324405521017. The next prime is 1324405521073. The reversal of 1324405521044 is 4401255044231.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1324405520995 and 1324405521013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 370634 + ... + 1669185.

It is an arithmetic number, because the mean of its divisors is an integer number (51274955340).

Almost surely, 2^{1324405521044} is an apocalyptic number.

It is an amenable number.

1324405521044 is a deficient number, since it is larger than the sum of its proper divisors (1136792335276).

1324405521044 is a wasteful number, since it uses less digits than its factorization.

1324405521044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2040008 (or 2040006 counting only the distinct ones).

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

The spelling of 1324405521044 in words is "one trillion, three hundred twenty-four billion, four hundred five million, five hundred twenty-one thousand, forty-four".