650085304320 has 144 divisors (see below), whose sum is σ = 2253079171980. Its totient is φ = 173356056576.

The previous prime is 650085304273. The next prime is 650085304321. The reversal of 650085304320 is 23403580056.

It is a happy number.

650085304320 is a `hidden beast` number, since 6 + 500 + 85 + 30 + 43 + 2 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 604213945344 + 45871358976 = 777312^2 + 214176^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×650085304320² (a number of 24 digits) contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (650085304321) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3434779 + ... + 3619098.

Almost surely, 2^650085304320 is an apocalyptic number.

650085304320 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

650085304320 is an abundant number, since it is smaller than the sum of its proper divisors (1602993867660).

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

650085304320 is a wasteful number, since it uses less digits than its factorization.

650085304320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7053910 (or 7053887 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 650085304320 its reverse (23403580056), we get a palindrome (673488884376).

The spelling of 650085304320 in words is "six hundred fifty billion, eighty-five million, three hundred four thousand, three hundred twenty".