280255030530 has 64 divisors (see below), whose sum is σ = 710610071040. Its totient is φ = 70622338304.

The previous prime is 280255030529. The next prime is 280255030537. The reversal of 280255030530 is 35030552082.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 280255030491 and 280255030500.

It is not an unprimeable number, because it can be changed into a prime (280255030537) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3386049 + ... + 3467828.

It is an arithmetic number, because the mean of its divisors is an integer number (11103282360).

Almost surely, 2^280255030530 is an apocalyptic number.

280255030530 is an abundant number, since it is smaller than the sum of its proper divisors (430355040510).

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

280255030530 is a wasteful number, since it uses less digits than its factorization.

280255030530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6853963.

The product of its (nonzero) digits is 36000, while the sum is 33.

The spelling of 280255030530 in words is "two hundred eighty billion, two hundred fifty-five million, thirty thousand, five hundred thirty".