6655755240 has 96 divisors (see below), whose sum is σ = 21833491680. Its totient is φ = 1758270336.

The previous prime is 6655755193. The next prime is 6655755241. The reversal of 6655755240 is 425575566.

6655755240 is a `hidden beast` number, since 6 + 6 + 5 + 57 + 552 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (6655755241) 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 23 ways as a sum of consecutive naturals, for example, 47874 + ... + 124913.

It is an arithmetic number, because the mean of its divisors is an integer number (227432205).

Almost surely, 2^6655755240 is an apocalyptic number.

6655755240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6655755240 is an abundant number, since it is smaller than the sum of its proper divisors (15177736440).

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

6655755240 is a wasteful number, since it uses less digits than its factorization.

6655755240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172911 (or 172904 counting only the distinct ones).

The product of its (nonzero) digits is 1260000, while the sum is 45.

The square root of 6655755240 is about 81582.8121604055. The cubic root of 6655755240 is about 1881.0446924950.

The spelling of 6655755240 in words is "six billion, six hundred fifty-five million, seven hundred fifty-five thousand, two hundred forty".