280028052550 has 12 divisors (see below), whose sum is σ = 520852177836. Its totient is φ = 112011221000.

The previous prime is 280028052529. The next prime is 280028052569. The reversal of 280028052550 is 55250820082.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2800280476 + ... + 2800280575.

It is an arithmetic number, because the mean of its divisors is an integer number (43404348153).

Almost surely, 2^280028052550 is an apocalyptic number.

280028052550 is a deficient number, since it is larger than the sum of its proper divisors (240824125286).

280028052550 is a wasteful number, since it uses less digits than its factorization.

280028052550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5600561063 (or 5600561058 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 37.

The spelling of 280028052550 in words is "two hundred eighty billion, twenty-eight million, fifty-two thousand, five hundred fifty".