1444012260 has 96 divisors (see below), whose sum is σ = 4092705792. Its totient is φ = 380392320.

The previous prime is 1444012259. The next prime is 1444012267. The reversal of 1444012260 is 622104441.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1444012260.

It is not an unprimeable number, because it can be changed into a prime (1444012267) 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, 2113879 + ... + 2114561.

It is an arithmetic number, because the mean of its divisors is an integer number (42632352).

Almost surely, 2^1444012260 is an apocalyptic number.

1444012260 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 1444012260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2046352896).

1444012260 is an abundant number, since it is smaller than the sum of its proper divisors (2648693532).

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

1444012260 is a wasteful number, since it uses less digits than its factorization.

1444012260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1073 (or 1071 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 1444012260 is about 38000.1613154471. The cubic root of 1444012260 is about 1130.2910624125.

The spelling of 1444012260 in words is "one billion, four hundred forty-four million, twelve thousand, two hundred sixty".