650931240960 has 2560 divisors, whose sum is σ = 3197269152000. Its totient is φ = 124853944320.

The previous prime is 650931240913. The next prime is 650931240961. The reversal of 650931240960 is 69042139056.

650931240960 is a `hidden beast` number, since 6 + 509 + 3 + 12 + 40 + 96 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (2560).

It is a super-2 number, since 2×650931240960² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650931240961) 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 159 ways as a sum of consecutive naturals, for example, 50071633914 + ... + 50071633926.

Almost surely, 2^650931240960 is an apocalyptic number.

650931240960 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 650931240960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1598634576000).

650931240960 is an abundant number, since it is smaller than the sum of its proper divisors (2546337911040).

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

650931240960 is an equidigital number, since it uses as much as digits as its factorization.

650931240960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 349920, while the sum is 45.

The spelling of 650931240960 in words is "six hundred fifty billion, nine hundred thirty-one million, two hundred forty thousand, nine hundred sixty".