1444041396 has 72 divisors (see below), whose sum is σ = 4181136960. Its totient is φ = 411647616.

The previous prime is 1444041383. The next prime is 1444041409. The reversal of 1444041396 is 6931404441.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1444041383) and next prime (1444041409).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 1444041396.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 108895 + ... + 121433.

Almost surely, 2^1444041396 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1444041396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090568480).

1444041396 is an abundant number, since it is smaller than the sum of its proper divisors (2737095564).

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

1444041396 is a wasteful number, since it uses less digits than its factorization.

1444041396 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13013 (or 13008 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1444041396 is about 38000.5446803069. The cubic root of 1444041396 is about 1130.2986643653.

The spelling of 1444041396 in words is "one billion, four hundred forty-four million, forty-one thousand, three hundred ninety-six".