28300272048 has 80 divisors (see below), whose sum is σ = 81322949760. Its totient is φ = 9422892864.

The previous prime is 28300272047. The next prime is 28300272059. The reversal of 28300272048 is 84027200382.

It is a super-2 number, since 2×28300272048² (a number of 22 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (28300272047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355711 + ... + 427937.

It is an arithmetic number, because the mean of its divisors is an integer number (1016536872).

Almost surely, 2^28300272048 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 28300272048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40661474880).

28300272048 is an abundant number, since it is smaller than the sum of its proper divisors (53022677712).

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

28300272048 is a wasteful number, since it uses less digits than its factorization.

28300272048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73151 (or 73139 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 28300272048 in words is "twenty-eight billion, three hundred million, two hundred seventy-two thousand, forty-eight".