280949364852 has 48 divisors (see below), whose sum is σ = 707138621952. Its totient is φ = 86303514240.

The previous prime is 280949364851. The next prime is 280949364887. The reversal of 280949364852 is 258463949082.

It is a super-2 number, since 2×280949364852² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280949364851) 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 in 15 ways as a sum of consecutive naturals, for example, 1388799 + ... + 1578182.

It is an arithmetic number, because the mean of its divisors is an integer number (14732054624).

Almost surely, 2^280949364852 is an apocalyptic number.

It is an amenable number.

280949364852 is an abundant number, since it is smaller than the sum of its proper divisors (426189257100).

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

280949364852 is a wasteful number, since it uses less digits than its factorization.

280949364852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2967608 (or 2967606 counting only the distinct ones).

The product of its (nonzero) digits is 29859840, while the sum is 60.

The spelling of 280949364852 in words is "two hundred eighty billion, nine hundred forty-nine million, three hundred sixty-four thousand, eight hundred fifty-two".