4497445968 has 80 divisors (see below), whose sum is σ = 11875864896. Its totient is φ = 1466291200.

The previous prime is 4497445961. The next prime is 4497446011. The reversal of 4497445968 is 8695447944.

It is a Cunningham number, because it is equal to 67063²-1.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4497445961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396796 + ... + 407972.

Almost surely, 2^4497445968 is an apocalyptic number.

4497445968 is a gapful number since it is divisible by the number (48) 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 4497445968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5937932448).

4497445968 is an abundant number, since it is smaller than the sum of its proper divisors (7378418928).

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

4497445968 is a wasteful number, since it uses less digits than its factorization.

4497445968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11372 (or 11366 counting only the distinct ones).

The product of its digits is 34836480, while the sum is 60.

The square root of 4497445968 is about 67062.9999925443. Note that the first 5 decimals coincide. The cubic root of 4497445968 is about 1650.6512235651.

The spelling of 4497445968 in words is "four billion, four hundred ninety-seven million, four hundred forty-five thousand, nine hundred sixty-eight".