7443445000 has 80 divisors (see below), whose sum is σ = 17679762540. Its totient is φ = 2936448000.

The previous prime is 7443444991. The next prime is 7443445001. The reversal of 7443445000 is 5443447.

It can be written as a sum of positive squares in 10 ways, for example, as 386436964 + 7057008036 = 19658^2 + 84006^2 .

It is not an unprimeable number, because it can be changed into a prime (7443445001) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 354804 + ... + 375196.

Almost surely, 2^7443445000 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 7443445000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8839881270).

7443445000 is an abundant number, since it is smaller than the sum of its proper divisors (10236317540).

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

7443445000 is a wasteful number, since it uses less digits than its factorization.

7443445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20492 (or 20473 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 31.

The square root of 7443445000 is about 86275.4020564378. The cubic root of 7443445000 is about 1952.5012828681.

Adding to 7443445000 its reverse (5443447), we get a palindrome (7448888447).

The spelling of 7443445000 in words is "seven billion, four hundred forty-three million, four hundred forty-five thousand".