8400080016 has 30 divisors (see below), whose sum is σ = 23508557670. Its totient is φ = 2800026624.

The previous prime is 8400079991. The next prime is 8400080053. The reversal of 8400080016 is 6100800048.

It can be written as a sum of positive squares in only one way, i.e., 4528751616 + 3871328400 = 67296^2 + 62220^2 .

It is a super-2 number, since 2×8400080016² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29166801 + ... + 29167088.

It is an arithmetic number, because the mean of its divisors is an integer number (783618589).

Almost surely, 2^8400080016 is an apocalyptic number.

It is an amenable number.

8400080016 is an abundant number, since it is smaller than the sum of its proper divisors (15108477654).

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

8400080016 is a wasteful number, since it uses less digits than its factorization.

8400080016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58333903 (or 58333894 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8400080016 is about 91651.9504211449. The cubic root of 8400080016 is about 2032.7991682101.

The spelling of 8400080016 in words is "eight billion, four hundred million, eighty thousand, sixteen".