4894221092544 has 560 divisors, whose sum is σ = 16803978250752. Its totient is φ = 1379600252928.

The previous prime is 4894221092513. The next prime is 4894221092557. The reversal of 4894221092544 is 4452901224984.

4894221092544 is a `hidden beast` number, since 4 + 8 + 9 + 4 + 2 + 2 + 1 + 0 + 92 + 544 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 1221415789 + ... + 1221419795.

Almost surely, 2^{4894221092544} 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 4894221092544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8401989125376).

4894221092544 is an abundant number, since it is smaller than the sum of its proper divisors (11909757158208).

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

4894221092544 is a wasteful number, since it uses less digits than its factorization.

4894221092544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4482 (or 4463 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The spelling of 4894221092544 in words is "four trillion, eight hundred ninety-four billion, two hundred twenty-one million, ninety-two thousand, five hundred forty-four".