28545301204 has 12 divisors (see below), whose sum is σ = 57090602464. Its totient is φ = 12233700504.

The previous prime is 28545301163. The next prime is 28545301207. The reversal of 28545301204 is 40210354582.

28545301204 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 28545301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28545301207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 509737494 + ... + 509737549.

Almost surely, 2^28545301204 is an apocalyptic number.

It is an amenable number.

28545301204 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

28545301204 is a wasteful number, since it uses less digits than its factorization.

28545301204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1019475054 (or 1019475052 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

Adding to 28545301204 its reverse (40210354582), we get a palindrome (68755655786).

The spelling of 28545301204 in words is "twenty-eight billion, five hundred forty-five million, three hundred one thousand, two hundred four".