280144867012 has 48 divisors (see below), whose sum is σ = 509229826560. Its totient is φ = 134690879232.

The previous prime is 280144866997. The next prime is 280144867031. The reversal of 280144867012 is 210768441082.

It is a super-2 number, since 2×280144867012² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 280144867012.

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, 51808813 + ... + 51814219.

It is an arithmetic number, because the mean of its divisors is an integer number (10608954720).

Almost surely, 2^280144867012 is an apocalyptic number.

It is an amenable number.

280144867012 is a deficient number, since it is larger than the sum of its proper divisors (229084959548).

280144867012 is a wasteful number, since it uses less digits than its factorization.

280144867012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7180 (or 7178 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 43.

The spelling of 280144867012 in words is "two hundred eighty billion, one hundred forty-four million, eight hundred sixty-seven thousand, twelve".