6732258640 has 20 divisors (see below), whose sum is σ = 15652501524. Its totient is φ = 2692903424.

The previous prime is 6732258601. The next prime is 6732258649. The reversal of 6732258640 is 468522376.

It can be written as a sum of positive squares in 2 ways, for example, as 2152217664 + 4580040976 = 46392^2 + 67676^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6732258649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 42076537 + ... + 42076696.

Almost surely, 2^6732258640 is an apocalyptic number.

It is an amenable number.

6732258640 is an abundant number, since it is smaller than the sum of its proper divisors (8920242884).

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

6732258640 is a wasteful number, since it uses less digits than its factorization.

6732258640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84153246 (or 84153240 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

The square root of 6732258640 is about 82050.3421077572. The cubic root of 6732258640 is about 1888.2243655723.

The spelling of 6732258640 in words is "six billion, seven hundred thirty-two million, two hundred fifty-eight thousand, six hundred forty".