28002433536 has 960 divisors, whose sum is σ = 108673044480. Its totient is φ = 6987202560.

The previous prime is 28002433513. The next prime is 28002433661. The reversal of 28002433536 is 63533420082.

It is a happy number.

28002433536 is a `hidden beast` number, since 2 + 80 + 0 + 2 + 43 + 3 + 536 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 28002433536.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 354461145 + ... + 354461223.

It is an arithmetic number, because the mean of its divisors is an integer number (113201088).

Almost surely, 2^28002433536 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 28002433536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54336522240).

28002433536 is an abundant number, since it is smaller than the sum of its proper divisors (80670610944).

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

28002433536 is an equidigital number, since it uses as much as digits as its factorization.

28002433536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 36.

The spelling of 28002433536 in words is "twenty-eight billion, two million, four hundred thirty-three thousand, five hundred thirty-six".