4621777056 has 240 divisors, whose sum is σ = 15410656800. Its totient is φ = 1347052032.

The previous prime is 4621777003. The next prime is 4621777081. The reversal of 4621777056 is 6507771264.

4621777056 is a `hidden beast` number, since 462 + 1 + 77 + 70 + 56 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 636615 + ... + 643833.

It is an arithmetic number, because the mean of its divisors is an integer number (64211070).

Almost surely, 2^4621777056 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 4621777056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7705328400).

4621777056 is an abundant number, since it is smaller than the sum of its proper divisors (10788879744).

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

4621777056 is a wasteful number, since it uses less digits than its factorization.

4621777056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7273 (or 7256 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 4621777056 is about 67983.6528586101. The cubic root of 4621777056 is about 1665.7238245609.

The spelling of 4621777056 in words is "four billion, six hundred twenty-one million, seven hundred seventy-seven thousand, fifty-six".