8046669440 has 64 divisors (see below), whose sum is σ = 19899945000. Its totient is φ = 3107672064.

The previous prime is 8046669437. The next prime is 8046669479. The reversal of 8046669440 is 449666408.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 6188024896 + 1858644544 = 78664^2 + 43112^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198215 + ... + 235334.

Almost surely, 2^8046669440 is an apocalyptic number.

8046669440 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8046669440 is an abundant number, since it is smaller than the sum of its proper divisors (11853275560).

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

8046669440 is a wasteful number, since it uses less digits than its factorization.

8046669440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433597 (or 433585 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 47.

The square root of 8046669440 is about 89703.2298192211. The cubic root of 8046669440 is about 2003.8815817879.

The spelling of 8046669440 in words is "eight billion, forty-six million, six hundred sixty-nine thousand, four hundred forty".