280068484 has 12 divisors (see below), whose sum is σ = 490273308. Its totient is φ = 139990400.

The previous prime is 280068479. The next prime is 280068487. The reversal of 280068484 is 484860082.

It can be written as a sum of positive squares in 2 ways, for example, as 78712384 + 201356100 = 8872^2 + 14190^2 .

It is not an unprimeable number, because it can be changed into a prime (280068487) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6504 + ... + 24544.

It is an arithmetic number, because the mean of its divisors is an integer number (40856109).

Almost surely, 2^280068484 is an apocalyptic number.

It is an amenable number.

280068484 is a deficient number, since it is larger than the sum of its proper divisors (210204824).

280068484 is a wasteful number, since it uses less digits than its factorization.

280068484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21926 (or 21924 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 40.

The square root of 280068484 is about 16735.2467564718. The cubic root of 280068484 is about 654.2665947625.

The spelling of 280068484 in words is "two hundred eighty million, sixty-eight thousand, four hundred eighty-four".