1244330980 has 24 divisors (see below), whose sum is σ = 2766807288. Its totient is φ = 468453888.

The previous prime is 1244330953. The next prime is 1244330987. The reversal of 1244330980 is 890334421.

It can be written as a sum of positive squares in 4 ways, for example, as 313714944 + 930616036 = 17712^2 + 30506^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (1244330987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1829559 + ... + 1830238.

It is an arithmetic number, because the mean of its divisors is an integer number (115283637).

Almost surely, 2^1244330980 is an apocalyptic number.

1244330980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1244330980 is an abundant number, since it is smaller than the sum of its proper divisors (1522476308).

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

1244330980 is a wasteful number, since it uses less digits than its factorization.

1244330980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3659823 (or 3659821 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 1244330980 is about 35275.0759035328. The cubic root of 1244330980 is about 1075.5864058588.

The spelling of 1244330980 in words is "one billion, two hundred forty-four million, three hundred thirty thousand, nine hundred eighty".