28636103232 has 448 divisors, whose sum is σ = 99330662400. Its totient is φ = 7994972160.

The previous prime is 28636103189. The next prime is 28636103267. The reversal of 28636103232 is 23230163682.

It is a happy number.

28636103232 is a `hidden beast` number, since 2 + 8 + 6 + 3 + 610 + 3 + 2 + 32 = 666.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13361553 + ... + 13363695.

Almost surely, 2^28636103232 is an apocalyptic number.

28636103232 is a gapful number since it is divisible by the number (22) 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 28636103232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49665331200).

28636103232 is an abundant number, since it is smaller than the sum of its proper divisors (70694559168).

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

28636103232 is a wasteful number, since it uses less digits than its factorization.

28636103232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2231 (or 2215 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 28636103232 in words is "twenty-eight billion, six hundred thirty-six million, one hundred three thousand, two hundred thirty-two".