8266449580 has 24 divisors (see below), whose sum is σ = 18380694528. Its totient is φ = 3112075008.

The previous prime is 8266449577. The next prime is 8266449599. The reversal of 8266449580 is 859446628.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12156204 + ... + 12156883.

It is an arithmetic number, because the mean of its divisors is an integer number (765862272).

Almost surely, 2^8266449580 is an apocalyptic number.

It is an amenable number.

8266449580 is an abundant number, since it is smaller than the sum of its proper divisors (10114244948).

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

8266449580 is a wasteful number, since it uses less digits than its factorization.

8266449580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24313113 (or 24313111 counting only the distinct ones).

The product of its (nonzero) digits is 3317760, while the sum is 52.

The square root of 8266449580 is about 90920.0174878998. The cubic root of 8266449580 is about 2021.9620823822.

The spelling of 8266449580 in words is "eight billion, two hundred sixty-six million, four hundred forty-nine thousand, five hundred eighty".