6340755555 has 12 divisors (see below), whose sum is σ = 10990643040. Its totient is φ = 3381736272.

The previous prime is 6340755539. The next prime is 6340755569. The reversal of 6340755555 is 5555570436.

6340755555 is a `hidden beast` number, since 6 + 3 + 40 + 7 + 55 + 555 = 666.

It is not a de Polignac number, because 6340755555 - 2⁴ = 6340755539 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 140905679 = 6340755555 / (6 + 3 + 4 + 0 + 7 + 5 + 5 + 5 + 5 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 6340755555.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70452795 + ... + 70452884.

It is an arithmetic number, because the mean of its divisors is an integer number (915886920).

Almost surely, 2^6340755555 is an apocalyptic number.

6340755555 is a deficient number, since it is larger than the sum of its proper divisors (4649887485).

6340755555 is a wasteful number, since it uses less digits than its factorization.

6340755555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140905690 (or 140905687 counting only the distinct ones).

The product of its (nonzero) digits is 1575000, while the sum is 45.

The square root of 6340755555 is about 79628.8613192478. The cubic root of 6340755555 is about 1850.8888404763. Note that the first 4 decimals are identical.

The spelling of 6340755555 in words is "six billion, three hundred forty million, seven hundred fifty-five thousand, five hundred fifty-five".