2981272320 has 432 divisors, whose sum is σ = 11771821152. Its totient is φ = 690094080.

The previous prime is 2981272309. The next prime is 2981272339. The reversal of 2981272320 is 232721892.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 2545335 + ... + 2546505.

It is an arithmetic number, because the mean of its divisors is an integer number (27249586).

Almost surely, 2^2981272320 is an apocalyptic number.

2981272320 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 2981272320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5885910576).

2981272320 is an abundant number, since it is smaller than the sum of its proper divisors (8790548832).

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

2981272320 is a wasteful number, since it uses less digits than its factorization.

2981272320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1228 (or 1211 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 2981272320 is about 54601.0285617405. The cubic root of 2981272320 is about 1439.2421938638.

The spelling of 2981272320 in words is "two billion, nine hundred eighty-one million, two hundred seventy-two thousand, three hundred twenty".