280085295364 has 144 divisors (see below), whose sum is σ = 590524724160. Its totient is φ = 115842908160.

The previous prime is 280085295349. The next prime is 280085295379. The reversal of 280085295364 is 463592580082.

It is an interprime number because it is at equal distance from previous prime (280085295349) and next prime (280085295379).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 216951559 + ... + 216952849.

It is an arithmetic number, because the mean of its divisors is an integer number (4100866140).

Almost surely, 2^280085295364 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 280085295364, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295262362080).

280085295364 is an abundant number, since it is smaller than the sum of its proper divisors (310439428796).

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

280085295364 is a wasteful number, since it uses less digits than its factorization.

280085295364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1698 (or 1689 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 52.

The spelling of 280085295364 in words is "two hundred eighty billion, eighty-five million, two hundred ninety-five thousand, three hundred sixty-four".