5731320452544 has 280 divisors, whose sum is σ = 17418610059840. Its totient is φ = 1862496681984.

The previous prime is 5731320452531. The next prime is 5731320452597. The reversal of 5731320452544 is 4452540231375.

5731320452544 is a `hidden beast` number, since 5 + 7 + 31 + 3 + 20 + 4 + 52 + 544 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5731320452544.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 62571772 + ... + 62663300.

Almost surely, 2^{5731320452544} is an apocalyptic number.

5731320452544 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5731320452544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8709305029920).

5731320452544 is an abundant number, since it is smaller than the sum of its proper divisors (11687289607296).

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

5731320452544 is a wasteful number, since it uses less digits than its factorization.

5731320452544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91857 (or 91838 counting only the distinct ones).

The product of its (nonzero) digits is 2016000, while the sum is 45.

The spelling of 5731320452544 in words is "five trillion, seven hundred thirty-one billion, three hundred twenty million, four hundred fifty-two thousand, five hundred forty-four".