280252500500 has 96 divisors (see below), whose sum is σ = 707370693120. Its totient is φ = 95006841600.

The previous prime is 280252500499. The next prime is 280252500503. The reversal of 280252500500 is 5005252082.

280252500500 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (280252500503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 138344 + ... + 761343.

It is an arithmetic number, because the mean of its divisors is an integer number (7368444720).

Almost surely, 2^280252500500 is an apocalyptic number.

280252500500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280252500500 is an abundant number, since it is smaller than the sum of its proper divisors (427118192620).

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

280252500500 is a wasteful number, since it uses less digits than its factorization.

280252500500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 899802 (or 899790 counting only the distinct ones).

The product of its (nonzero) digits is 8000, while the sum is 29.

Adding to 280252500500 its reverse (5005252082), we get a palindrome (285257752582).

The spelling of 280252500500 in words is "two hundred eighty billion, two hundred fifty-two million, five hundred thousand, five hundred".