280108505852 has 48 divisors (see below), whose sum is σ = 563554091520. Its totient is φ = 119331912000.

The previous prime is 280108505779. The next prime is 280108505869. The reversal of 280108505852 is 258505801082.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16134977 + ... + 16152327.

It is an arithmetic number, because the mean of its divisors is an integer number (11740710240).

Almost surely, 2^280108505852 is an apocalyptic number.

It is an amenable number.

280108505852 is an abundant number, since it is smaller than the sum of its proper divisors (283445585668).

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

280108505852 is a wasteful number, since it uses less digits than its factorization.

280108505852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20762 (or 20760 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 44.

The spelling of 280108505852 in words is "two hundred eighty billion, one hundred eight million, five hundred five thousand, eight hundred fifty-two".