28452464900 has 36 divisors (see below), whose sum is σ = 61765244688. Its totient is φ = 11376673440.

The previous prime is 28452464867. The next prime is 28452464917. The reversal of 28452464900 is 946425482.

It is a happy number.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 218147 + ... + 323253.

Almost surely, 2^28452464900 is an apocalyptic number.

28452464900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28452464900 is an abundant number, since it is smaller than the sum of its proper divisors (33312779788).

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

28452464900 is a wasteful number, since it uses less digits than its factorization.

28452464900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107828 (or 107821 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 44.

The spelling of 28452464900 in words is "twenty-eight billion, four hundred fifty-two million, four hundred sixty-four thousand, nine hundred".