10000450000000 has 144 divisors (see below), whose sum is σ = 24903576116550. Its totient is φ = 4000160000000.

The previous prime is 10000449999979. The next prime is 10000450000001. The reversal of 10000450000000 is 5400001.

It can be written as a sum of positive squares in 9 ways, for example, as 8217028639296 + 1783421360704 = 2866536^2 + 1335448^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is not an unprimeable number, because it can be changed into a prime (10000450000001) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 49899996 + ... + 50100004.

Almost surely, 2^{10000450000000} is an apocalyptic number.

10000450000000 is a gapful number since it is divisible by the number (10) 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 10000450000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12451788058275).

10000450000000 is an abundant number, since it is smaller than the sum of its proper divisors (14903126116550).

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

10000450000000 is an frugal number, since it uses more digits than its factorization.

10000450000000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 200063 (or 200016 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 10.

Adding to 10000450000000 its reverse (5400001), we get a palindrome (10000455400001).

The spelling of 10000450000000 in words is "ten trillion, four hundred fifty million", and thus it is an aban number.