8043379840 has 64 divisors (see below), whose sum is σ = 19499641920. Its totient is φ = 3172019200.

The previous prime is 8043379837. The next prime is 8043379849. The reversal of 8043379840 is 489733408.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (8043379849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43066 + ... + 133945.

It is an arithmetic number, because the mean of its divisors is an integer number (304681905).

Almost surely, 2^8043379840 is an apocalyptic number.

8043379840 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8043379840 is an abundant number, since it is smaller than the sum of its proper divisors (11456262080).

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

8043379840 is a wasteful number, since it uses less digits than its factorization.

8043379840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177101 (or 177089 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 46.

The square root of 8043379840 is about 89684.8919272360. The cubic root of 8043379840 is about 2003.6084722153.

The spelling of 8043379840 in words is "eight billion, forty-three million, three hundred seventy-nine thousand, eight hundred forty".