8140911492 has 48 divisors (see below), whose sum is σ = 21714560000. Its totient is φ = 2325389472.

The previous prime is 8140911439. The next prime is 8140911503. The reversal of 8140911492 is 2941190418.

It is a self number, because there is not a number n which added to its sum of digits gives 8140911492.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 410223 + ... + 429609.

Almost surely, 2^8140911492 is an apocalyptic number.

It is an amenable number.

8140911492 is an abundant number, since it is smaller than the sum of its proper divisors (13573648508).

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

8140911492 is a wasteful number, since it uses less digits than its factorization.

8140911492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24400 (or 24398 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 8140911492 is about 90226.9997949616. Note that the first 3 decimals coincide. The cubic root of 8140911492 is about 2011.6743465578.

The spelling of 8140911492 in words is "eight billion, one hundred forty million, nine hundred eleven thousand, four hundred ninety-two".