2142340008 has 64 divisors (see below), whose sum is σ = 5525152320. Its totient is φ = 691891200.

The previous prime is 2142340001. The next prime is 2142340019. The reversal of 2142340008 is 8000432412.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 2142340008.

It is not an unprimeable number, because it can be changed into a prime (2142340001) by changing a digit.

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, 87168 + ... + 109008.

It is an arithmetic number, because the mean of its divisors is an integer number (86330505).

Almost surely, 2^2142340008 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2142340008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2762576160).

2142340008 is an abundant number, since it is smaller than the sum of its proper divisors (3382812312).

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

2142340008 is a wasteful number, since it uses less digits than its factorization.

2142340008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21978 (or 21974 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2142340008 is about 46285.4189567298. The cubic root of 2142340008 is about 1289.1282710987.

The spelling of 2142340008 in words is "two billion, one hundred forty-two million, three hundred forty thousand, eight".