280053330 has 16 divisors (see below), whose sum is σ = 672128064. Its totient is φ = 74680880.

The previous prime is 280053299. The next prime is 280053383. The reversal of 280053330 is 33350082.

It is a super-4 number, since 4×280053330⁴ (a number of 35 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 280053330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4667526 + ... + 4667585.

It is an arithmetic number, because the mean of its divisors is an integer number (42008004).

Almost surely, 2^280053330 is an apocalyptic number.

280053330 is an abundant number, since it is smaller than the sum of its proper divisors (392074734).

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

280053330 is a wasteful number, since it uses less digits than its factorization.

280053330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9335121.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 280053330 is about 16734.7939933541. The cubic root of 280053330 is about 654.2547941549.

The spelling of 280053330 in words is "two hundred eighty million, fifty-three thousand, three hundred thirty".