1230244443648 has 560 divisors, whose sum is σ = 4058844570000. Its totient is φ = 369246781440.

The previous prime is 1230244443647. The next prime is 1230244443667. The reversal of 1230244443648 is 8463444420321.

1230244443648 is a `hidden beast` number, since 1 + 2 + 3 + 0 + 244 + 44 + 364 + 8 = 666.

It is a super-2 number, since 2×1230244443648² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230244443647) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 447522978 + ... + 447525726.

Almost surely, 2^{1230244443648} is an apocalyptic number.

1230244443648 is a gapful number since it is divisible by the number (18) 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 1230244443648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2029422285000).

1230244443648 is an abundant number, since it is smaller than the sum of its proper divisors (2828600126352).

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

1230244443648 is an equidigital number, since it uses as much as digits as its factorization.

1230244443648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905 (or 2874 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 45.

Adding to 1230244443648 its reverse (8463444420321), we get a palindrome (9693688863969).

The spelling of 1230244443648 in words is "one trillion, two hundred thirty billion, two hundred forty-four million, four hundred forty-three thousand, six hundred forty-eight".