28248663600 has 120 divisors (see below), whose sum is σ = 100544355920. Its totient is φ = 7532974080.

The previous prime is 28248663593. The next prime is 28248663613. The reversal of 28248663600 is 636684282.

28248663600 is a `hidden beast` number, since 2 + 8 + 2 + 4 + 8 + 6 + 636 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1297009 + ... + 1318608.

Almost surely, 2^28248663600 is an apocalyptic number.

28248663600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28248663600 is an abundant number, since it is smaller than the sum of its proper divisors (72295692320).

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

28248663600 is a wasteful number, since it uses less digits than its factorization.

28248663600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2615644 (or 2615627 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 45.

The spelling of 28248663600 in words is "twenty-eight billion, two hundred forty-eight million, six hundred sixty-three thousand, six hundred".