2143240008 has 96 divisors (see below), whose sum is σ = 6712392960. Its totient is φ = 565246080.

The previous prime is 2143240007. The next prime is 2143240037. The reversal of 2143240008 is 8000423412.

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 2143240008.

It is not an unprimeable number, because it can be changed into a prime (2143240003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54808 + ... + 85383.

It is an arithmetic number, because the mean of its divisors is an integer number (69920760).

Almost surely, 2^2143240008 is an apocalyptic number.

2143240008 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2143240008 is an abundant number, since it is smaller than the sum of its proper divisors (4569152952).

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

2143240008 is a wasteful number, since it uses less digits than its factorization.

2143240008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140227 (or 140216 counting only the distinct ones).

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

The square root of 2143240008 is about 46295.1402201138. The cubic root of 2143240008 is about 1289.3087673486.

The spelling of 2143240008 in words is "two billion, one hundred forty-three million, two hundred forty thousand, eight".