1444040884 has 144 divisors (see below), whose sum is σ = 3195013248. Its totient is φ = 562464000.

The previous prime is 1444040879. The next prime is 1444040887. The reversal of 1444040884 is 4880404441.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1444040887) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 20338569 + ... + 20338639.

It is an arithmetic number, because the mean of its divisors is an integer number (22187592).

Almost surely, 2^1444040884 is an apocalyptic number.

It is an amenable number.

1444040884 is an abundant number, since it is smaller than the sum of its proper divisors (1750972364).

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

1444040884 is a wasteful number, since it uses less digits than its factorization.

1444040884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 165 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 37.

The square root of 1444040884 is about 38000.5379435607. The cubic root of 1444040884 is about 1130.2985307788.

The spelling of 1444040884 in words is "one billion, four hundred forty-four million, forty thousand, eight hundred eighty-four".