4556638080 has 192 divisors, whose sum is σ = 15861081600. Its totient is φ = 1205342208.

The previous prime is 4556638067. The next prime is 4556638081. The reversal of 4556638080 is 808366554.

4556638080 is a `hidden beast` number, since 4 + 5 + 5 + 6 + 638 + 0 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4556638081) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 728406 + ... + 734634.

It is an arithmetic number, because the mean of its divisors is an integer number (82609800).

Almost surely, 2^4556638080 is an apocalyptic number.

4556638080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4556638080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7930540800).

4556638080 is an abundant number, since it is smaller than the sum of its proper divisors (11304443520).

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

4556638080 is a wasteful number, since it uses less digits than its factorization.

4556638080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6381 (or 6366 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The square root of 4556638080 is about 67502.8746054566. The cubic root of 4556638080 is about 1657.8612413299.

The spelling of 4556638080 in words is "four billion, five hundred fifty-six million, six hundred thirty-eight thousand, eighty".