650648225699040 has 384 divisors, whose sum is σ = 2247320803835520. Its totient is φ = 157501305651200.

The previous prime is 650648225698987. The next prime is 650648225699051. The reversal of 650648225699040 is 40996522846056.

650648225699040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×650648225699040² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 221217280 + ... + 224139200.

It is an arithmetic number, because the mean of its divisors is an integer number (5852397926655).

Almost surely, 2^{650648225699040} is an apocalyptic number.

650648225699040 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 650648225699040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1123660401917760).

650648225699040 is an abundant number, since it is smaller than the sum of its proper divisors (1596672578136480).

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

650648225699040 is a wasteful number, since it uses less digits than its factorization.

650648225699040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2922926 (or 2922918 counting only the distinct ones).

The product of its (nonzero) digits is 223948800, while the sum is 66.

The spelling of 650648225699040 in words is "six hundred fifty trillion, six hundred forty-eight billion, two hundred twenty-five million, six hundred ninety-nine thousand, forty".