7944470045000 has 40 divisors (see below), whose sum is σ = 18613893327150. Its totient is φ = 3177788016000.

The previous prime is 7944470044969. The next prime is 7944470045003. The reversal of 7944470045000 is 5400744497.

It can be written as a sum of positive squares in 5 ways, for example, as 19310437444 + 7925159607556 = 138962^2 + 2815166^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×7944470045000² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7944470045003) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 794442005 + ... + 794452004.

Almost surely, 2^{7944470045000} is an apocalyptic number.

It is an amenable number.

7944470045000 is an abundant number, since it is smaller than the sum of its proper divisors (10669423282150).

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

7944470045000 is a wasteful number, since it uses less digits than its factorization.

7944470045000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1588894035 (or 1588894016 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 44.

Adding to 7944470045000 its reverse (5400744497), we get a palindrome (7949870789497).

The spelling of 7944470045000 in words is "seven trillion, nine hundred forty-four billion, four hundred seventy million, forty-five thousand".