280228505350 has 24 divisors (see below), whose sum is σ = 524237897520. Its totient is φ = 111443471520.

The previous prime is 280228505341. The next prime is 280228505351. The reversal of 280228505350 is 53505822082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280228505351) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16189530 + ... + 16206829.

It is an arithmetic number, because the mean of its divisors is an integer number (21843245730).

Almost surely, 2^280228505350 is an apocalyptic number.

280228505350 is a deficient number, since it is larger than the sum of its proper divisors (244009392170).

280228505350 is a wasteful number, since it uses less digits than its factorization.

280228505350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32396544 (or 32396539 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 40.

The spelling of 280228505350 in words is "two hundred eighty billion, two hundred twenty-eight million, five hundred five thousand, three hundred fifty".