280050003028 has 6 divisors (see below), whose sum is σ = 490087505306. Its totient is φ = 140025001512.

The previous prime is 280050003019. The next prime is 280050003029. The reversal of 280050003028 is 820300050082.

It can be written as a sum of positive squares in only one way, i.e., 237375532944 + 42674470084 = 487212^2 + 206578^2 .

It is a junction number, because it is equal to n+sod(n) for n = 280050002987 and 280050003005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280050003029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35006250375 + ... + 35006250382.

Almost surely, 2^280050003028 is an apocalyptic number.

It is an amenable number.

280050003028 is a deficient number, since it is larger than the sum of its proper divisors (210037502278).

280050003028 is a wasteful number, since it uses less digits than its factorization.

280050003028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70012500761 (or 70012500759 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 28.

The spelling of 280050003028 in words is "two hundred eighty billion, fifty million, three thousand, twenty-eight".