7944452384 has 48 divisors (see below), whose sum is σ = 17384492160. Its totient is φ = 3542972160.

The previous prime is 7944452353. The next prime is 7944452389. The reversal of 7944452384 is 4832544497.

It is a super-2 number, since 2×7944452384² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7944452389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194264 + ... + 231575.

It is an arithmetic number, because the mean of its divisors is an integer number (362176920).

Almost surely, 2^7944452384 is an apocalyptic number.

It is an amenable number.

7944452384 is an abundant number, since it is smaller than the sum of its proper divisors (9440039776).

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

7944452384 is a wasteful number, since it uses less digits than its factorization.

7944452384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425913 (or 425905 counting only the distinct ones).

The product of its digits is 3870720, while the sum is 50.

The square root of 7944452384 is about 89131.6575858432. The cubic root of 7944452384 is about 1995.3602768076.

The spelling of 7944452384 in words is "seven billion, nine hundred forty-four million, four hundred fifty-two thousand, three hundred eighty-four".