280600543240 has 32 divisors (see below), whose sum is σ = 631560343680. Its totient is φ = 112203040192.

The previous prime is 280600543189. The next prime is 280600543259. The reversal of 280600543240 is 42345006082.

It is a junction number, because it is equal to n+sod(n) for n = 280600543196 and 280600543205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1039354 + ... + 1281193.

It is an arithmetic number, because the mean of its divisors is an integer number (19736260740).

Almost surely, 2^280600543240 is an apocalyptic number.

280600543240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280600543240 is an abundant number, since it is smaller than the sum of its proper divisors (350959800440).

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

280600543240 is a wasteful number, since it uses less digits than its factorization.

280600543240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323581 (or 2323577 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 34.

The spelling of 280600543240 in words is "two hundred eighty billion, six hundred million, five hundred forty-three thousand, two hundred forty".