4453993544 has 192 divisors, whose sum is σ = 11502691200. Its totient is φ = 1572848640.

The previous prime is 4453993529. The next prime is 4453993561.

4453993544 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 4453993492 and 4453993501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5196764 + ... + 5197620.

It is an arithmetic number, because the mean of its divisors is an integer number (59909850).

Almost surely, 2^4453993544 is an apocalyptic number.

4453993544 is a gapful number since it is divisible by the number (44) 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 4453993544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5751345600).

4453993544 is an abundant number, since it is smaller than the sum of its proper divisors (7048697656).

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

4453993544 is a wasteful number, since it uses less digits than its factorization.

4453993544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 949 counting only the distinct ones).

The product of its digits is 4665600, while the sum is 50.

The square root of 4453993544 is about 66738.2464858045. The cubic root of 4453993544 is about 1645.3180458147.

The spelling of 4453993544 in words is "four billion, four hundred fifty-three million, nine hundred ninety-three thousand, five hundred forty-four".