8080420241664 has 81 divisors (see below), whose sum is σ = 23298237016509. Its totient is φ = 2693427932160.

The previous prime is 8080420241653. The next prime is 8080420241711. The reversal of 8080420241664 is 4661420240808.

The square root of 8080420241664 is 2842608.

It is a perfect power (a square), and thus also a powerful number.

8080420241664 is a `hidden beast` number, since 80 + 80 + 4 + 20 + 2 + 416 + 64 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2543999480064 + 5536420761600 = 1594992^2 + 2352960^2 .

It is a super-2 number, since 2×8080420241664² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 136415574 + ... + 136474794.

Almost surely, 2^{8080420241664} is an apocalyptic number.

8080420241664 is the 2842608-th square number.

It is an amenable number.

8080420241664 is an abundant number, since it is smaller than the sum of its proper divisors (15217816774845).

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

8080420241664 is an frugal number, since it uses more digits than its factorization.

8080420241664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118464 (or 59226 counting only the distinct ones).

The product of its (nonzero) digits is 589824, while the sum is 45.

The spelling of 8080420241664 in words is "eight trillion, eighty billion, four hundred twenty million, two hundred forty-one thousand, six hundred sixty-four".