1443996996 has 48 divisors (see below), whose sum is σ = 3644169984. Its totient is φ = 442388736.

The previous prime is 1443996991. The next prime is 1443997003. The reversal of 1443996996 is 6996993441.

It is not an unprimeable number, because it can be changed into a prime (1443996991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16485 + ... + 56211.

It is an arithmetic number, because the mean of its divisors is an integer number (75920208).

Almost surely, 2^1443996996 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 1443996996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822084992).

1443996996 is an abundant number, since it is smaller than the sum of its proper divisors (2200172988).

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

1443996996 is a wasteful number, since it uses less digits than its factorization.

1443996996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39980 (or 39978 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 60.

The square root of 1443996996 is about 37999.9604736637. The cubic root of 1443996996 is about 1130.2870798001.

The spelling of 1443996996 in words is "one billion, four hundred forty-three million, nine hundred ninety-six thousand, nine hundred ninety-six".