28562395500 has 192 divisors, whose sum is σ = 92726000640. Its totient is φ = 7591032000.

The previous prime is 28562395483. The next prime is 28562395517. The reversal of 28562395500 is 559326582.

28562395500 is a `hidden beast` number, since 2 + 8 + 5 + 62 + 39 + 550 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (28562395483) and next prime (28562395517).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4195099 + ... + 4201901.

It is an arithmetic number, because the mean of its divisors is an integer number (482947920).

Almost surely, 2^28562395500 is an apocalyptic number.

28562395500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28562395500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46363000320).

28562395500 is an abundant number, since it is smaller than the sum of its proper divisors (64163605140).

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

28562395500 is a wasteful number, since it uses less digits than its factorization.

28562395500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7142 (or 7124 counting only the distinct ones).

The product of its (nonzero) digits is 648000, while the sum is 45.

The spelling of 28562395500 in words is "twenty-eight billion, five hundred sixty-two million, three hundred ninety-five thousand, five hundred".