5144688001940 has 24 divisors (see below), whose sum is σ = 10803891121632. Its totient is φ = 2057866378400.

The previous prime is 5144688001913. The next prime is 5144688001951. The reversal of 5144688001940 is 491008864415.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6317147 + ... + 7084893.

It is an arithmetic number, because the mean of its divisors is an integer number (450162130068).

Almost surely, 2^{5144688001940} is an apocalyptic number.

It is an amenable number.

5144688001940 is an abundant number, since it is smaller than the sum of its proper divisors (5659203119692).

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

5144688001940 is a wasteful number, since it uses less digits than its factorization.

5144688001940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1102807 (or 1102805 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 50.

The spelling of 5144688001940 in words is "five trillion, one hundred forty-four billion, six hundred eighty-eight million, one thousand, nine hundred forty".