6494515200 has 624 divisors, whose sum is σ = 24985826400. Its totient is φ = 1672151040.

The previous prime is 6494515189. The next prime is 6494515217. The reversal of 6494515200 is 25154946.

6494515200 is a `hidden beast` number, since 649 + 4 + 5 + 1 + 5 + 2 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 223948786 + ... + 223948814.

Almost surely, 2^6494515200 is an apocalyptic number.

6494515200 is a gapful number since it is divisible by the number (60) 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 6494515200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12492913200).

6494515200 is an abundant number, since it is smaller than the sum of its proper divisors (18491311200).

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

6494515200 is an frugal number, since it uses more digits than its factorization.

6494515200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84 (or 39 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 6494515200 is about 80588.5550186874. Note that the first 3 decimals coincide. The cubic root of 6494515200 is about 1865.7305056365.

The spelling of 6494515200 in words is "six billion, four hundred ninety-four million, five hundred fifteen thousand, two hundred".