4550639616 has 240 divisors, whose sum is σ = 13756897280. Its totient is φ = 1504935936.

The previous prime is 4550639573. The next prime is 4550639623. The reversal of 4550639616 is 6169360554.

4550639616 is a `hidden beast` number, since 4 + 5 + 5 + 0 + 639 + 6 + 1 + 6 = 666.

It is a nialpdrome in base 12.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35831745 + ... + 35831871.

Almost surely, 2^4550639616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4550639616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6878448640).

4550639616 is an abundant number, since it is smaller than the sum of its proper divisors (9206257664).

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

4550639616 is an frugal number, since it uses more digits than its factorization.

4550639616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176 (or 132 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 45.

The square root of 4550639616 is about 67458.4287987795. The cubic root of 4550639616 is about 1657.1334395479.

The spelling of 4550639616 in words is "four billion, five hundred fifty million, six hundred thirty-nine thousand, six hundred sixteen".