650481684480 has 936 divisors, whose sum is σ = 2414359763712. Its totient is φ = 168122843136.

The previous prime is 650481684443. The next prime is 650481684481. The reversal of 650481684480 is 84486184056.

It is a happy number.

650481684480 is a `hidden beast` number, since 6 + 5 + 0 + 4 + 81 + 6 + 84 + 480 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650481684481) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 6315356109 + ... + 6315356211.

It is an arithmetic number, because the mean of its divisors is an integer number (2579444192).

Almost surely, 2^650481684480 is an apocalyptic number.

650481684480 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 650481684480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1207179881856).

650481684480 is an abundant number, since it is smaller than the sum of its proper divisors (1763878079232).

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

650481684480 is an frugal number, since it uses more digits than its factorization.

650481684480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203 (or 160 counting only the distinct ones).

The product of its (nonzero) digits is 5898240, while the sum is 54.

The spelling of 650481684480 in words is "six hundred fifty billion, four hundred eighty-one million, six hundred eighty-four thousand, four hundred eighty".