1244293344 has 144 divisors (see below), whose sum is σ = 4061715840. Its totient is φ = 353952000.

The previous prime is 1244293339. The next prime is 1244293397. The reversal of 1244293344 is 4433924421.

1244293344 is a `hidden beast` number, since 1 + 24 + 4 + 293 + 344 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a junction number, because it is equal to n+sod(n) for n = 1244293299 and 1244293308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 504787 + ... + 507245.

It is an arithmetic number, because the mean of its divisors is an integer number (28206360).

Almost surely, 2^1244293344 is an apocalyptic number.

1244293344 is a gapful number since it is divisible by the number (14) 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 1244293344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2030857920).

1244293344 is an abundant number, since it is smaller than the sum of its proper divisors (2817422496).

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

1244293344 is a wasteful number, since it uses less digits than its factorization.

1244293344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2733 (or 2722 counting only the distinct ones).

The product of its digits is 82944, while the sum is 36.

The square root of 1244293344 is about 35274.5424350196. The cubic root of 1244293344 is about 1075.5755616973.

The spelling of 1244293344 in words is "one billion, two hundred forty-four million, two hundred ninety-three thousand, three hundred forty-four".