1244799360 has 512 divisors, whose sum is σ = 5181926400. Its totient is φ = 276480000.

The previous prime is 1244799359. The next prime is 1244799443. The reversal of 1244799360 is 639974421.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 4959235 + ... + 4959485.

It is an arithmetic number, because the mean of its divisors is an integer number (10120950).

Almost surely, 2^1244799360 is an apocalyptic number.

1244799360 is a gapful number since it is divisible by the number (10) 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 1244799360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2590963200).

1244799360 is an abundant number, since it is smaller than the sum of its proper divisors (3937127040).

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

1244799360 is a wasteful number, since it uses less digits than its factorization.

1244799360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 327 (or 309 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 1244799360 is about 35281.7142440670. The cubic root of 1244799360 is about 1075.7213431523.

The spelling of 1244799360 in words is "one billion, two hundred forty-four million, seven hundred ninety-nine thousand, three hundred sixty".