8049127842 has 32 divisors (see below), whose sum is σ = 20442230400. Its totient is φ = 2299750704.

The previous prime is 8049127759. The next prime is 8049127843. The reversal of 8049127842 is 2487219408.

8049127842 is a `hidden beast` number, since 80 + 491 + 2 + 7 + 84 + 2 = 666.

It is not an unprimeable number, because it can be changed into a prime (8049127843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10646617 + ... + 10647372.

It is an arithmetic number, because the mean of its divisors is an integer number (638819700).

Almost surely, 2^8049127842 is an apocalyptic number.

8049127842 is an abundant number, since it is smaller than the sum of its proper divisors (12393102558).

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

8049127842 is a wasteful number, since it uses less digits than its factorization.

8049127842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21294007 (or 21294001 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The square root of 8049127842 is about 89716.9317464658. The cubic root of 8049127842 is about 2004.0856349436.

The spelling of 8049127842 in words is "eight billion, forty-nine million, one hundred twenty-seven thousand, eight hundred forty-two".