2915782272 has 192 divisors, whose sum is σ = 9371849760. Its totient is φ = 897039360.

The previous prime is 2915782253. The next prime is 2915782277. The reversal of 2915782272 is 2722875192.

2915782272 is a `hidden beast` number, since 2 + 9 + 1 + 578 + 2 + 2 + 72 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is not an unprimeable number, because it can be changed into a prime (2915782277) 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, 400747 + ... + 407957.

Almost surely, 2^2915782272 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 2915782272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4685924880).

2915782272 is an abundant number, since it is smaller than the sum of its proper divisors (6456067488).

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

2915782272 is an equidigital number, since it uses as much as digits as its factorization.

2915782272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7253 (or 7229 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 2915782272 is about 53997.9839623666. The cubic root of 2915782272 is about 1428.6253881028.

The spelling of 2915782272 in words is "two billion, nine hundred fifteen million, seven hundred eighty-two thousand, two hundred seventy-two".