4493946555 has 256 divisors, whose sum is σ = 9951744000. Its totient is φ = 1920360960.

The previous prime is 4493946551. The next prime is 4493946559. The reversal of 4493946555 is 5556493944.

4493946555 is a `hidden beast` number, since 4 + 49 + 3 + 9 + 46 + 555 = 666.

It is an interprime number because it is at equal distance from previous prime (4493946551) and next prime (4493946559).

It is not a de Polignac number, because 4493946555 - 2² = 4493946551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4493946551) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 73671225 + ... + 73671285.

It is an arithmetic number, because the mean of its divisors is an integer number (38874000).

Almost surely, 2^4493946555 is an apocalyptic number.

4493946555 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

4493946555 is an abundant number, since it is smaller than the sum of its proper divisors (5457797445).

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

4493946555 is a wasteful number, since it uses less digits than its factorization.

4493946555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 156 counting only the distinct ones).

The product of its digits is 11664000, while the sum is 54.

The square root of 4493946555 is about 67036.9044258459. The cubic root of 4493946555 is about 1650.2229946547. Note that the first 3 decimals are identical.

The spelling of 4493946555 in words is "four billion, four hundred ninety-three million, nine hundred forty-six thousand, five hundred fifty-five".