280467738560 has 28 divisors (see below), whose sum is σ = 667863803208. Its totient is φ = 112187095296.

The previous prime is 280467738557. The next prime is 280467738589. The reversal of 280467738560 is 65837764082.

It is a hoax number, since the sum of its digits (56) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 280467738496 and 280467738505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 438230522 + ... + 438231161.

It is an arithmetic number, because the mean of its divisors is an integer number (23852278686).

Almost surely, 2^280467738560 is an apocalyptic number.

280467738560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280467738560 is an abundant number, since it is smaller than the sum of its proper divisors (387396064648).

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

280467738560 is an equidigital number, since it uses as much as digits as its factorization.

280467738560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876461700 (or 876461690 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 56.

The spelling of 280467738560 in words is "two hundred eighty billion, four hundred sixty-seven million, seven hundred thirty-eight thousand, five hundred sixty".