2873256320 has 128 divisors (see below), whose sum is σ = 7557490080. Its totient is φ = 1044510720.

The previous prime is 2873256293. The next prime is 2873256371. The reversal of 2873256320 is 236523782.

It is a tau number, because it is divible by the number of its divisors (128).

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, 850154 + ... + 853526.

Almost surely, 2^2873256320 is an apocalyptic number.

2873256320 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 2873256320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3778745040).

2873256320 is an abundant number, since it is smaller than the sum of its proper divisors (4684233760).

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

2873256320 is an equidigital number, since it uses as much as digits as its factorization.

2873256320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3425 (or 3391 counting only the distinct ones).

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 2873256320 is about 53602.7641078331. The cubic root of 2873256320 is about 1421.6459654729.

The spelling of 2873256320 in words is "two billion, eight hundred seventy-three million, two hundred fifty-six thousand, three hundred twenty".