28856041855524 has 243 divisors, whose sum is σ = 80371402913529. Its totient is φ = 8725492938240.

The previous prime is 28856041855483. The next prime is 28856041855577. The reversal of 28856041855524 is 42555814065882.

The square root of 28856041855524 is 5371782.

It is a perfect power (a square), and thus also a powerful number.

28856041855524 is a `hidden beast` number, since 2 + 8 + 8 + 5 + 60 + 4 + 18 + 5 + 552 + 4 = 666.

It can be written as a sum of positive squares in 13 ways, for example, as 16909119684900 + 11946922170624 = 4112070^2 + 3456432^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 25558938192 + ... + 25558939320.

Almost surely, 2^{28856041855524} is an apocalyptic number.

28856041855524 is the 5371782-nd square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28856041855524

28856041855524 is an abundant number, since it is smaller than the sum of its proper divisors (51515361058005).

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

28856041855524 is a wasteful number, since it uses less digits than its factorization.

28856041855524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2416 (or 1208 counting only the distinct ones).

The product of its (nonzero) digits is 122880000, while the sum is 63.

The spelling of 28856041855524 in words is "twenty-eight trillion, eight hundred fifty-six billion, forty-one million, eight hundred fifty-five thousand, five hundred twenty-four".