280364112 has 320 divisors, whose sum is σ = 999936000. Its totient is φ = 73446912.

The previous prime is 280364107. The next prime is 280364137. The reversal of 280364112 is 211463082.

280364112 is a `hidden beast` number, since 2 + 8 + 0 + 3 + 641 + 12 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2016939 + ... + 2017077.

It is an arithmetic number, because the mean of its divisors is an integer number (3124800).

Almost surely, 2^280364112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280364112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (499968000).

280364112 is an abundant number, since it is smaller than the sum of its proper divisors (719571888).

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

280364112 is a wasteful number, since it uses less digits than its factorization.

280364112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 280364112 is about 16744.0769229002. The cubic root of 280364112 is about 654.4967188461.

The spelling of 280364112 in words is "two hundred eighty million, three hundred sixty-four thousand, one hundred twelve".