650636340120 has 96 divisors (see below), whose sum is σ = 2277227206800. Its totient is φ = 160156636416.

The previous prime is 650636340103. The next prime is 650636340169. The reversal of 650636340120 is 21043636056.

650636340120 is a `hidden beast` number, since 6 + 5 + 0 + 6 + 3 + 634 + 0 + 12 + 0 = 666.

It is a super-2 number, since 2×650636340120² (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 a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 69507750 + ... + 69517109.

Almost surely, 2^650636340120 is an apocalyptic number.

650636340120 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

650636340120 is an abundant number, since it is smaller than the sum of its proper divisors (1626590866680).

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

650636340120 is a wasteful number, since it uses less digits than its factorization.

650636340120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139024889 (or 139024882 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

Adding to 650636340120 its reverse (21043636056), we get a palindrome (671679976176).

The spelling of 650636340120 in words is "six hundred fifty billion, six hundred thirty-six million, three hundred forty thousand, one hundred twenty".