280040200002 has 48 divisors (see below), whose sum is σ = 610285777920. Its totient is φ = 92804623296.

The previous prime is 280040199931. The next prime is 280040200039. The reversal of 280040200002 is 200002040082.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 2601583 + ... + 2707085.

It is an arithmetic number, because the mean of its divisors is an integer number (12714287040).

Almost surely, 2^280040200002 is an apocalyptic number.

280040200002 is an abundant number, since it is smaller than the sum of its proper divisors (330245577918).

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

280040200002 is a wasteful number, since it uses less digits than its factorization.

280040200002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106367 (or 106364 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 280040200002 its reverse (200002040082), we get a palindrome (480042240084).

The spelling of 280040200002 in words is "two hundred eighty billion, forty million, two hundred thousand, two".