28460569536 has 280 divisors, whose sum is σ = 97170581376. Its totient is φ = 8068170240.

The previous prime is 28460569513. The next prime is 28460569537. The reversal of 28460569536 is 63596506482.

28460569536 is a `hidden beast` number, since 2 + 8 + 46 + 0 + 5 + 69 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28460569537) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4750735 + ... + 4756721.

Almost surely, 2^28460569536 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 28460569536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48585290688).

28460569536 is an abundant number, since it is smaller than the sum of its proper divisors (68710011840).

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

28460569536 is a wasteful number, since it uses less digits than its factorization.

28460569536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6149 (or 6130 counting only the distinct ones).

The product of its (nonzero) digits is 9331200, while the sum is 54.

The spelling of 28460569536 in words is "twenty-eight billion, four hundred sixty million, five hundred sixty-nine thousand, five hundred thirty-six".