28464818292 has 36 divisors (see below), whose sum is σ = 76185250596. Its totient is φ = 8930138880.

The previous prime is 28464818237. The next prime is 28464818299. The reversal of 28464818292 is 29281846482.

28464818292 is a `hidden beast` number, since 2 + 84 + 6 + 481 + 82 + 9 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 22071856356 + 6392961936 = 148566^2 + 79956^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28464818299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23254959 + ... + 23256182.

It is an arithmetic number, because the mean of its divisors is an integer number (2116256961).

Almost surely, 2^28464818292 is an apocalyptic number.

It is an amenable number.

28464818292 is an abundant number, since it is smaller than the sum of its proper divisors (47720432304).

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

28464818292 is a wasteful number, since it uses less digits than its factorization.

28464818292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46511168 (or 46511163 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 54.

The spelling of 28464818292 in words is "twenty-eight billion, four hundred sixty-four million, eight hundred eighteen thousand, two hundred ninety-two".