11444442000 has 160 divisors (see below), whose sum is σ = 36954313344. Its totient is φ = 3047104000.

The previous prime is 11444441963. The next prime is 11444442013. The reversal of 11444442000 is 24444411.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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, 5644987 + ... + 5647013.

Almost surely, 2^11444442000 is an apocalyptic number.

11444442000 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 11444442000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18477156672).

11444442000 is an abundant number, since it is smaller than the sum of its proper divisors (25509871344).

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

11444442000 is a wasteful number, since it uses less digits than its factorization.

11444442000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2994 (or 2978 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

Adding to 11444442000 its reverse (24444411), we get a palindrome (11468886411).

The spelling of 11444442000 in words is "eleven billion, four hundred forty-four million, four hundred forty-two thousand".