280130383108820 has 48 divisors (see below), whose sum is σ = 598041039565200. Its totient is φ = 110200523867136.

The previous prime is 280130383108817. The next prime is 280130383108853. The reversal of 280130383108820 is 28801383031082.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 3266940571024 + 276863442537796 = 1807468^2 + 16639214^2 .

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, 274376027 + ... + 275395106.

It is an arithmetic number, because the mean of its divisors is an integer number (12459188324275).

Almost surely, 2^{280130383108820} is an apocalyptic number.

280130383108820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

280130383108820 is an abundant number, since it is smaller than the sum of its proper divisors (317910656456380).

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

280130383108820 is a wasteful number, since it uses less digits than its factorization.

280130383108820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549771564 (or 549771562 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The spelling of 280130383108820 in words is "two hundred eighty trillion, one hundred thirty billion, three hundred eighty-three million, one hundred eight thousand, eight hundred twenty".