8123440514 has 32 divisors (see below), whose sum is σ = 14776058880. Its totient is φ = 3269795328.

The previous prime is 8123440459. The next prime is 8123440537. The reversal of 8123440514 is 4150443218.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 78374 + ... + 149630.

It is an arithmetic number, because the mean of its divisors is an integer number (461751840).

Almost surely, 2^8123440514 is an apocalyptic number.

8123440514 is a deficient number, since it is larger than the sum of its proper divisors (6652618366).

8123440514 is a wasteful number, since it uses less digits than its factorization.

8123440514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71762.

The product of its (nonzero) digits is 15360, while the sum is 32.

The square root of 8123440514 is about 90130.1309995719. The cubic root of 8123440514 is about 2010.2342502332.

The spelling of 8123440514 in words is "eight billion, one hundred twenty-three million, four hundred forty thousand, five hundred fourteen".