28110453536 has 192 divisors, whose sum is σ = 66180602880. Its totient is φ = 11617858560.

The previous prime is 28110453509. The next prime is 28110453557. The reversal of 28110453536 is 63535401182.

It is a happy number.

It is a super-2 number, since 2×28110453536² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 28110453536.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15729635 + ... + 15731421.

It is an arithmetic number, because the mean of its divisors is an integer number (344690640).

Almost surely, 2^28110453536 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 28110453536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33090301440).

28110453536 is an abundant number, since it is smaller than the sum of its proper divisors (38070149344).

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

28110453536 is a wasteful number, since it uses less digits than its factorization.

28110453536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927 (or 1919 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 38.

The spelling of 28110453536 in words is "twenty-eight billion, one hundred ten million, four hundred fifty-three thousand, five hundred thirty-six".