5728521312 has 384 divisors, whose sum is σ = 18289152000. Its totient is φ = 1739612160.

The previous prime is 5728521311. The next prime is 5728521313. The reversal of 5728521312 is 2131258275.

5728521312 is a `hidden beast` number, since 572 + 8 + 52 + 1 + 31 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (5728521311) and next prime (5728521313).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5728521311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 64365364 + ... + 64365452.

It is an arithmetic number, because the mean of its divisors is an integer number (47628000).

Almost surely, 2^5728521312 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 5728521312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9144576000).

5728521312 is an abundant number, since it is smaller than the sum of its proper divisors (12560630688).

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

5728521312 is a wasteful number, since it uses less digits than its factorization.

5728521312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 237 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 5728521312 is about 75686.9956597565. The cubic root of 5728521312 is about 1789.2904516904.

Adding to 5728521312 its reverse (2131258275), we get a palindrome (7859779587).

The spelling of 5728521312 in words is "five billion, seven hundred twenty-eight million, five hundred twenty-one thousand, three hundred twelve".