5381558323920 has 160 divisors (see below), whose sum is σ = 18790403587200. Its totient is φ = 1415423517696.

The previous prime is 5381558323903. The next prime is 5381558323927. The reversal of 5381558323920 is 293238551835.

It is a happy number.

5381558323920 is a `hidden beast` number, since 5 + 3 + 8 + 1 + 5 + 583 + 2 + 39 + 20 = 666.

It is a super-2 number, since 2×5381558323920² (a number of 26 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5381558323927) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16907130 + ... + 17222489.

It is an arithmetic number, because the mean of its divisors is an integer number (117440022420).

Almost surely, 2^{5381558323920} is an apocalyptic number.

It is an amenable number.

5381558323920 is an abundant number, since it is smaller than the sum of its proper divisors (13408845263280).

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

5381558323920 is a wasteful number, since it uses less digits than its factorization.

5381558323920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34129714 (or 34129702 counting only the distinct ones).

The product of its (nonzero) digits is 7776000, while the sum is 54.

The spelling of 5381558323920 in words is "five trillion, three hundred eighty-one billion, five hundred fifty-eight million, three hundred twenty-three thousand, nine hundred twenty".