28530463104 has 192 divisors, whose sum is σ = 96452974800. Its totient is φ = 7980503040.

The previous prime is 28530463103. The next prime is 28530463109. The reversal of 28530463104 is 40136403582.

28530463104 is a `hidden beast` number, since 285 + 304 + 63 + 10 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28530463103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 78142 + ... + 251330.

Almost surely, 2^28530463104 is an apocalyptic number.

28530463104 is a gapful number since it is divisible by the number (24) 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 28530463104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48226487400).

28530463104 is an abundant number, since it is smaller than the sum of its proper divisors (67922511696).

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

28530463104 is a wasteful number, since it uses less digits than its factorization.

28530463104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 173233 (or 173218 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

Adding to 28530463104 its reverse (40136403582), we get a palindrome (68666866686).

The spelling of 28530463104 in words is "twenty-eight billion, five hundred thirty million, four hundred sixty-three thousand, one hundred four".