8405271492 has 24 divisors (see below), whose sum is σ = 20288587200. Its totient is φ = 2705144736.

The previous prime is 8405271437. The next prime is 8405271493. The reversal of 8405271492 is 2941725048.

It is not an unprimeable number, because it can be changed into a prime (8405271493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12076192 + ... + 12076887.

It is an arithmetic number, because the mean of its divisors is an integer number (845357800).

Almost surely, 2^8405271492 is an apocalyptic number.

It is an amenable number.

8405271492 is an abundant number, since it is smaller than the sum of its proper divisors (11883315708).

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

8405271492 is a wasteful number, since it uses less digits than its factorization.

8405271492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24153115 (or 24153113 counting only the distinct ones).

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 8405271492 is about 91680.2677352112. The cubic root of 8405271492 is about 2033.2178568718.

The spelling of 8405271492 in words is "eight billion, four hundred five million, two hundred seventy-one thousand, four hundred ninety-two".