4550392421064 has 256 divisors, whose sum is σ = 14702946508800. Its totient is φ = 1277069359104.

The previous prime is 4550392421051. The next prime is 4550392421149. The reversal of 4550392421064 is 4601242930554.

4550392421064 is a `hidden beast` number, since 4 + 5 + 503 + 92 + 42 + 10 + 6 + 4 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35696689 + ... + 35823935.

It is an arithmetic number, because the mean of its divisors is an integer number (57433384800).

Almost surely, 2^{4550392421064} 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 4550392421064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7351473254400).

4550392421064 is an abundant number, since it is smaller than the sum of its proper divisors (10152554087736).

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

4550392421064 is a wasteful number, since it uses less digits than its factorization.

4550392421064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127689 (or 127679 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 45.

The spelling of 4550392421064 in words is "four trillion, five hundred fifty billion, three hundred ninety-two million, four hundred twenty-one thousand, sixty-four".