5144404232540 has 12 divisors (see below), whose sum is σ = 10803248888376. Its totient is φ = 2057761693008.

The previous prime is 5144404232537. The next prime is 5144404232567. The reversal of 5144404232540 is 452324044415.

It is a junction number, because it is equal to n+sod(n) for n = 5144404232494 and 5144404232503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128610105794 + ... + 128610105833.

It is an arithmetic number, because the mean of its divisors is an integer number (900270740698).

Almost surely, 2^{5144404232540} is an apocalyptic number.

It is an amenable number.

5144404232540 is an abundant number, since it is smaller than the sum of its proper divisors (5658844655836).

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

5144404232540 is a wasteful number, since it uses less digits than its factorization.

5144404232540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257220211636 (or 257220211634 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 38.

Adding to 5144404232540 its reverse (452324044415), we get a palindrome (5596728276955).

The spelling of 5144404232540 in words is "five trillion, one hundred forty-four billion, four hundred four million, two hundred thirty-two thousand, five hundred forty".