5728123572820 has 96 divisors (see below), whose sum is σ = 13898770300800. Its totient is φ = 1959828848640.

The previous prime is 5728123572791. The next prime is 5728123572823. The reversal of 5728123572820 is 282753218275.

It is a happy number.

It is a super-2 number, since 2×5728123572820² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728123572823) 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, 12106132 + ... + 12570388.

It is an arithmetic number, because the mean of its divisors is an integer number (144778857300).

Almost surely, 2^{5728123572820} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5728123572820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6949385150400).

5728123572820 is an abundant number, since it is smaller than the sum of its proper divisors (8170646727980).

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

5728123572820 is a wasteful number, since it uses less digits than its factorization.

5728123572820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467593 (or 467591 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 5728123572820 in words is "five trillion, seven hundred twenty-eight billion, one hundred twenty-three million, five hundred seventy-two thousand, eight hundred twenty".