2915728488 has 40 divisors (see below), whose sum is σ = 8166741330. Its totient is φ = 971909280.

The previous prime is 2915728481. The next prime is 2915728511. The reversal of 2915728488 is 8848275192.

2915728488 is a `hidden beast` number, since 2 + 9 + 157 + 2 + 8 + 488 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2138322564 + 777405924 = 46242^2 + 27882^2 .

It is a super-2 number, since 2×2915728488² = 17002945231469532288, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2915728481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2249143 + ... + 2250438.

Almost surely, 2^2915728488 is an apocalyptic number.

It is an amenable number.

2915728488 is an abundant number, since it is smaller than the sum of its proper divisors (5251012842).

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

2915728488 is a wasteful number, since it uses less digits than its factorization.

2915728488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499599 (or 4499586 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 2915728488 is about 53997.4859414769. The cubic root of 2915728488 is about 1428.6166039924.

The spelling of 2915728488 in words is "two billion, nine hundred fifteen million, seven hundred twenty-eight thousand, four hundred eighty-eight".