2664301728 has 48 divisors (see below), whose sum is σ = 7629594336. Its totient is φ = 807363840.

The previous prime is 2664301709. The next prime is 2664301769. The reversal of 2664301728 is 8271034662.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

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 7 ways as a sum of consecutive naturals, for example, 1260451 + ... + 1262562.

It is an arithmetic number, because the mean of its divisors is an integer number (158949882).

Almost surely, 2^2664301728 is an apocalyptic number.

It is an amenable number.

2664301728 is an abundant number, since it is smaller than the sum of its proper divisors (4965292608).

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

2664301728 is a wasteful number, since it uses less digits than its factorization.

2664301728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2523037 (or 2523029 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 2664301728 is about 51616.8744501253. The cubic root of 2664301728 is about 1386.3124882345.

The spelling of 2664301728 in words is "two billion, six hundred sixty-four million, three hundred one thousand, seven hundred twenty-eight".