280513260830 has 32 divisors (see below), whose sum is σ = 557798538240. Its totient is φ = 100713618720.

The previous prime is 280513260821. The next prime is 280513260847. The reversal of 280513260830 is 38062315082.

It is a super-2 number, since 2×280513260830² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16131314 + ... + 16148693.

It is an arithmetic number, because the mean of its divisors is an integer number (17431204320).

Almost surely, 2^280513260830 is an apocalyptic number.

280513260830 is a deficient number, since it is larger than the sum of its proper divisors (277285277410).

280513260830 is a wasteful number, since it uses less digits than its factorization.

280513260830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32280104.

The product of its (nonzero) digits is 69120, while the sum is 38.

The spelling of 280513260830 in words is "two hundred eighty billion, five hundred thirteen million, two hundred sixty thousand, eight hundred thirty".