6540030450 has 192 divisors, whose sum is σ = 18890219520. Its totient is φ = 1660633920.

The previous prime is 6540030421. The next prime is 6540030461. The reversal of 6540030450 is 540300456.

6540030450 is a `hidden beast` number, since 654 + 0 + 0 + 3 + 0 + 4 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 10774047 + ... + 10774653.

It is an arithmetic number, because the mean of its divisors is an integer number (98386560).

Almost surely, 2^6540030450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6540030450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9445109760).

6540030450 is an abundant number, since it is smaller than the sum of its proper divisors (12350189070).

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

6540030450 is a wasteful number, since it uses less digits than its factorization.

6540030450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998 (or 987 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 6540030450 is about 80870.4547409003. The cubic root of 6540030450 is about 1870.0788712957.

The spelling of 6540030450 in words is "six billion, five hundred forty million, thirty thousand, four hundred fifty".