650614440960 has 1056 divisors, whose sum is σ = 2556423821952. Its totient is φ = 151608360960.

The previous prime is 650614440943. The next prime is 650614441079. The reversal of 650614440960 is 69044416056.

It is a happy number.

650614440960 is a `hidden beast` number, since 6 + 506 + 1 + 44 + 40 + 9 + 60 = 666.

It is a tau number, because it is divible by the number of its divisors (1056).

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2119265127 + ... + 2119265433.

It is an arithmetic number, because the mean of its divisors is an integer number (2420855892).

Almost surely, 2^650614440960 is an apocalyptic number.

650614440960 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 650614440960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1278211910976).

650614440960 is an abundant number, since it is smaller than the sum of its proper divisors (1905809380992).

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

650614440960 is a wasteful number, since it uses less digits than its factorization.

650614440960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 499 (or 478 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 650614440960 in words is "six hundred fifty billion, six hundred fourteen million, four hundred forty thousand, nine hundred sixty".