8154809480 has 32 divisors (see below), whose sum is σ = 18397546200. Its totient is φ = 3253172736.

The previous prime is 8154809479. The next prime is 8154809503. The reversal of 8154809480 is 849084518.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7413554404 + 741255076 = 86102^2 + 27226^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258365 + ... + 288204.

Almost surely, 2^8154809480 is an apocalyptic number.

It is an amenable number.

8154809480 is an abundant number, since it is smaller than the sum of its proper divisors (10242736720).

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

8154809480 is a wasteful number, since it uses less digits than its factorization.

8154809480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 546953 (or 546949 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 47.

The square root of 8154809480 is about 90303.9837437973. The cubic root of 8154809480 is about 2012.8184580469.

The spelling of 8154809480 in words is "eight billion, one hundred fifty-four million, eight hundred nine thousand, four hundred eighty".