4450321512 has 288 divisors, whose sum is σ = 15897117600. Its totient is φ = 1111719168.

The previous prime is 4450321511. The next prime is 4450321549. The reversal of 4450321512 is 2151230544.

4450321512 is a `hidden beast` number, since 4 + 4 + 503 + 2 + 151 + 2 = 666.

It is a super-2 number, since 2×4450321512² = 39610723120339932288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4450321511) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 868863 + ... + 873969.

It is an arithmetic number, because the mean of its divisors is an integer number (55198325).

Almost surely, 2^4450321512 is an apocalyptic number.

4450321512 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 4450321512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7948558800).

4450321512 is an abundant number, since it is smaller than the sum of its proper divisors (11446796088).

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

4450321512 is a wasteful number, since it uses less digits than its factorization.

4450321512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5165 (or 5151 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

The square root of 4450321512 is about 66710.7301114296. The cubic root of 4450321512 is about 1644.8657684344.

The spelling of 4450321512 in words is "four billion, four hundred fifty million, three hundred twenty-one thousand, five hundred twelve".