8240668080 has 40 divisors (see below), whose sum is σ = 25546071792. Its totient is φ = 2197511424.

The previous prime is 8240668021. The next prime is 8240668099. The reversal of 8240668080 is 808660428.

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

It is a super-2 number, since 2×8240668080² (a number of 21 digits) contains 22 as substring.

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, 17167819 + ... + 17168298.

Almost surely, 2^8240668080 is an apocalyptic number.

8240668080 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8240668080 is an abundant number, since it is smaller than the sum of its proper divisors (17305403712).

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

8240668080 is a wasteful number, since it uses less digits than its factorization.

8240668080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34336133 (or 34336127 counting only the distinct ones).

The product of its (nonzero) digits is 147456, while the sum is 42.

The square root of 8240668080 is about 90778.1255589693. The cubic root of 8240668080 is about 2019.8578536056.

The spelling of 8240668080 in words is "eight billion, two hundred forty million, six hundred sixty-eight thousand, eighty".