28364226732 has 48 divisors (see below), whose sum is σ = 73550843520. Its totient is φ = 9452947536.

The previous prime is 28364226731. The next prime is 28364226739. The reversal of 28364226732 is 23762246382.

28364226732 is a `hidden beast` number, since 28 + 364 + 2 + 267 + 3 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (28364226731) 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, 624663 + ... + 668529.

It is an arithmetic number, because the mean of its divisors is an integer number (1532309240).

Almost surely, 2^28364226732 is an apocalyptic number.

It is an amenable number.

28364226732 is an abundant number, since it is smaller than the sum of its proper divisors (45186616788).

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

28364226732 is a wasteful number, since it uses less digits than its factorization.

28364226732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49867 (or 49859 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 45.

The spelling of 28364226732 in words is "twenty-eight billion, three hundred sixty-four million, two hundred twenty-six thousand, seven hundred thirty-two".