2800010280 has 64 divisors (see below), whose sum is σ = 8426643840. Its totient is φ = 744303872.

The previous prime is 2800010273. The next prime is 2800010281. The reversal of 2800010280 is 820100082.

It is not an unprimeable number, because it can be changed into a prime (2800010281) 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 15 ways as a sum of consecutive naturals, for example, 1237 + ... + 74843.

It is an arithmetic number, because the mean of its divisors is an integer number (131666310).

Almost surely, 2^2800010280 is an apocalyptic number.

2800010280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2800010280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4213321920).

2800010280 is an abundant number, since it is smaller than the sum of its proper divisors (5626633560).

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

2800010280 is a wasteful number, since it uses less digits than its factorization.

2800010280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73938 (or 73934 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 2800010280 is about 52915.1233580722. The cubic root of 2800010280 is about 1409.4614713211.

The spelling of 2800010280 in words is "two billion, eight hundred million, ten thousand, two hundred eighty".