1530450000 has 360 divisors, whose sum is σ = 5666824800. Its totient is φ = 384480000.

The previous prime is 1530449993. The next prime is 1530450001. The reversal of 1530450000 is 540351.

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

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1530450001) 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 71 ways as a sum of consecutive naturals, for example, 8549911 + ... + 8550089.

It is an arithmetic number, because the mean of its divisors is an integer number (15741180).

Almost surely, 2^1530450000 is an apocalyptic number.

1530450000 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 1530450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2833412400).

1530450000 is an abundant number, since it is smaller than the sum of its proper divisors (4136374800).

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

1530450000 is a wasteful number, since it uses less digits than its factorization.

1530450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 18.

The square root of 1530450000 is about 39120.9662457358. The cubic root of 1530450000 is about 1152.4083115700.

Adding to 1530450000 its reverse (540351), we get a palindrome (1530990351).

The spelling of 1530450000 in words is "one billion, five hundred thirty million, four hundred fifty thousand".