7945404824 has 16 divisors (see below), whose sum is σ = 17025867600. Its totient is φ = 3405173472.

The previous prime is 7945404791. The next prime is 7945404829. The reversal of 7945404824 is 4284045497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7945404829) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70941059 + ... + 70941170.

It is an arithmetic number, because the mean of its divisors is an integer number (1064116725).

Almost surely, 2^7945404824 is an apocalyptic number.

It is an amenable number.

7945404824 is an abundant number, since it is smaller than the sum of its proper divisors (9080462776).

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

7945404824 is a wasteful number, since it uses less digits than its factorization.

7945404824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141882242 (or 141882238 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 47.

The square root of 7945404824 is about 89137.0003085139. Note that the first 3 decimals coincide. The cubic root of 7945404824 is about 1995.4400131615.

The spelling of 7945404824 in words is "seven billion, nine hundred forty-five million, four hundred four thousand, eight hundred twenty-four".