1244198448 has 160 divisors (see below), whose sum is σ = 3805470720. Its totient is φ = 387855360.

The previous prime is 1244198447. The next prime is 1244198453. The reversal of 1244198448 is 8448914421.

1244198448 is a `hidden beast` number, since 12 + 4 + 4 + 198 + 448 = 666.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (1244198441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1402261 + ... + 1403147.

It is an arithmetic number, because the mean of its divisors is an integer number (23784192).

Almost surely, 2^1244198448 is an apocalyptic number.

1244198448 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 1244198448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1902735360).

1244198448 is an abundant number, since it is smaller than the sum of its proper divisors (2561272272).

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

1244198448 is a wasteful number, since it uses less digits than its factorization.

1244198448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112 (or 1100 counting only the distinct ones).

The product of its digits is 294912, while the sum is 45.

The square root of 1244198448 is about 35273.1973033350. The cubic root of 1244198448 is about 1075.5482180880.

It can be divided in two parts, 12441 and 98448, that added together give a square (110889 = 333²).

The spelling of 1244198448 in words is "one billion, two hundred forty-four million, one hundred ninety-eight thousand, four hundred forty-eight".