2840134818 has 32 divisors (see below), whose sum is σ = 6036819840. Its totient is φ = 887701760.

The previous prime is 2840134811. The next prime is 2840134819. The reversal of 2840134818 is 8184310482.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2840134811) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 24318 + ... + 79193.

It is an arithmetic number, because the mean of its divisors is an integer number (188650620).

Almost surely, 2^2840134818 is an apocalyptic number.

2840134818 is an abundant number, since it is smaller than the sum of its proper divisors (3196685022).

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

2840134818 is a wasteful number, since it uses less digits than its factorization.

2840134818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103802.

The product of its (nonzero) digits is 49152, while the sum is 39.

The square root of 2840134818 is about 53292.9152702308. The cubic root of 2840134818 is about 1416.1621584456.

The spelling of 2840134818 in words is "two billion, eight hundred forty million, one hundred thirty-four thousand, eight hundred eighteen".