28097641804800 has 132 divisors (see below), whose sum is σ = 92864169837536. Its totient is φ = 7492704460800.

The previous prime is 28097641804747. The next prime is 28097641804801. The reversal of 28097641804800 is 840814679082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28097641804801) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 182850556 + ... + 183004155.

Almost surely, 2^{28097641804800} is an apocalyptic number.

28097641804800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28097641804800 is an abundant number, since it is smaller than the sum of its proper divisors (64766528032736).

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

28097641804800 is a wasteful number, since it uses less digits than its factorization.

28097641804800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365854744 (or 365854721 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 57.

The spelling of 28097641804800 in words is "twenty-eight trillion, ninety-seven billion, six hundred forty-one million, eight hundred four thousand, eight hundred".