648112243050 has 192 divisors, whose sum is σ = 1847106539520. Its totient is φ = 166929336000.

The previous prime is 648112242971. The next prime is 648112243099. The reversal of 648112243050 is 50342211846.

It is a happy number.

648112243050 is a `hidden beast` number, since 6 + 481 + 122 + 4 + 3 + 0 + 50 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 648112242996 and 648112243014.

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, 21872745 + ... + 21902355.

It is an arithmetic number, because the mean of its divisors is an integer number (9620346560).

Almost surely, 2^648112243050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 648112243050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (923553269760).

648112243050 is an abundant number, since it is smaller than the sum of its proper divisors (1198994296470).

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

648112243050 is a wasteful number, since it uses less digits than its factorization.

648112243050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30186 (or 30175 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

Adding to 648112243050 its reverse (50342211846), we get a palindrome (698454454896).

The spelling of 648112243050 in words is "six hundred forty-eight billion, one hundred twelve million, two hundred forty-three thousand, fifty".