6755649840 has 60 divisors (see below), whose sum is σ = 22687726464. Its totient is φ = 1801506432.

The previous prime is 6755649829. The next prime is 6755649863. The reversal of 6755649840 is 489465576.

6755649840 is a `hidden beast` number, since 6 + 7 + 556 + 4 + 9 + 84 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (60).

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 11 ways as a sum of consecutive naturals, for example, 4690704 + ... + 4692143.

Almost surely, 2^6755649840 is an apocalyptic number.

6755649840 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6755649840 is an abundant number, since it is smaller than the sum of its proper divisors (15932076624).

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

6755649840 is a wasteful number, since it uses less digits than its factorization.

6755649840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9382866 (or 9382857 counting only the distinct ones).

The product of its (nonzero) digits is 7257600, while the sum is 54.

The square root of 6755649840 is about 82192.7602651231. The cubic root of 6755649840 is about 1890.4087131546.

The spelling of 6755649840 in words is "six billion, seven hundred fifty-five million, six hundred forty-nine thousand, eight hundred forty".