280553000530 has 32 divisors (see below), whose sum is σ = 552035399040. Its totient is φ = 101809768320.

The previous prime is 280553000491. The next prime is 280553000531. The reversal of 280553000530 is 35000355082.

It is a super-2 number, since 2×280553000530² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 280553000492 and 280553000501.

It is not an unprimeable number, because it can be changed into a prime (280553000531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2564995 + ... + 2672134.

It is an arithmetic number, because the mean of its divisors is an integer number (17251106220).

Almost surely, 2^280553000530 is an apocalyptic number.

280553000530 is a deficient number, since it is larger than the sum of its proper divisors (271482398510).

280553000530 is a wasteful number, since it uses less digits than its factorization.

280553000530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237634.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 280553000530 in words is "two hundred eighty billion, five hundred fifty-three million, five hundred thirty", and thus it is an aban number.