4453408512 has 378 divisors, whose sum is σ = 15535875768. Its totient is φ = 1269789696.

The previous prime is 4453408507. The next prime is 4453408513. The reversal of 4453408512 is 2158043544.

It is a happy number.

4453408512 is a `hidden beast` number, since 44 + 534 + 0 + 85 + 1 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (378).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4453408513) by changing a digit.

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 41 ways as a sum of consecutive naturals, for example, 9144333 + ... + 9144819.

Almost surely, 2^4453408512 is an apocalyptic number.

4453408512 is a gapful number since it is divisible by the number (42) 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 4453408512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7767937884).

4453408512 is an abundant number, since it is smaller than the sum of its proper divisors (11082467256).

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

4453408512 is an frugal number, since it uses more digits than its factorization.

4453408512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 535 (or 499 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 36.

The square root of 4453408512 is about 66733.8633079189. The cubic root of 4453408512 is about 1645.2460051584.

The spelling of 4453408512 in words is "four billion, four hundred fifty-three million, four hundred eight thousand, five hundred twelve".