2860005280 has 144 divisors (see below), whose sum is σ = 7581996576. Its totient is φ = 1011041280.

The previous prime is 2860005263. The next prime is 2860005289. The reversal of 2860005280 is 825000682.

It is not an unprimeable number, because it can be changed into a prime (2860005289) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2408847 + ... + 2410033.

It is an arithmetic number, because the mean of its divisors is an integer number (52652754).

Almost surely, 2^2860005280 is an apocalyptic number.

2860005280 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 2860005280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3790998288).

2860005280 is an abundant number, since it is smaller than the sum of its proper divisors (4721991296).

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

2860005280 is a wasteful number, since it uses less digits than its factorization.

2860005280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1287 (or 1242 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 2860005280 is about 53479.0171936620. The cubic root of 2860005280 is about 1419.4571223748.

The spelling of 2860005280 in words is "two billion, eight hundred sixty million, five thousand, two hundred eighty".