4509450000 has 360 divisors, whose sum is σ = 17227147392. Its totient is φ = 1092000000.

The previous prime is 4509449977. The next prime is 4509450019. The reversal of 4509450000 is 549054.

It is a tau number, because it is divible by the number of its divisors (360).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 4949545 + ... + 4950455.

Almost surely, 2^4509450000 is an apocalyptic number.

4509450000 is a gapful number since it is divisible by the number (40) 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 4509450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8613573696).

4509450000 is an abundant number, since it is smaller than the sum of its proper divisors (12717697392).

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

4509450000 is a wasteful number, since it uses less digits than its factorization.

4509450000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 961 (or 932 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 4509450000 is about 67152.4385260878. The cubic root of 4509450000 is about 1652.1184909547.

Adding to 4509450000 its reverse (549054), we get a palindrome (4509999054).

The spelling of 4509450000 in words is "four billion, five hundred nine million, four hundred fifty thousand".