2109043480 has 32 divisors (see below), whose sum is σ = 4746924000. Its totient is φ = 843337216.

The previous prime is 2109043421. The next prime is 2109043543. The reversal of 2109043480 is 843409012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 147696 + ... + 161344.

It is an arithmetic number, because the mean of its divisors is an integer number (148341375).

Almost surely, 2^2109043480 is an apocalyptic number.

2109043480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2109043480 is an abundant number, since it is smaller than the sum of its proper divisors (2637880520).

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

2109043480 is a wasteful number, since it uses less digits than its factorization.

2109043480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17523 (or 17519 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 2109043480 is about 45924.3234027460. The cubic root of 2109043480 is about 1282.4147693791.

The spelling of 2109043480 in words is "two billion, one hundred nine million, forty-three thousand, four hundred eighty".