280224480 has 48 divisors (see below), whose sum is σ = 882708624. Its totient is φ = 74726400.

The previous prime is 280224473. The next prime is 280224487. The reversal of 280224480 is 84422082.

It is an interprime number because it is at equal distance from previous prime (280224473) and next prime (280224487).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280224487) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 291421 + ... + 292380.

It is an arithmetic number, because the mean of its divisors is an integer number (18389763).

Almost surely, 2^280224480 is an apocalyptic number.

280224480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280224480 is an abundant number, since it is smaller than the sum of its proper divisors (602484144).

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

280224480 is a wasteful number, since it uses less digits than its factorization.

280224480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583819 (or 583811 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 30.

The square root of 280224480 is about 16739.9068097765. The cubic root of 280224480 is about 654.3880460431.

The spelling of 280224480 in words is "two hundred eighty million, two hundred twenty-four thousand, four hundred eighty".