4089804240 has 80 divisors (see below), whose sum is σ = 13424194368. Its totient is φ = 1026459648.

The previous prime is 4089804193. The next prime is 4089804247. The reversal of 4089804240 is 424089804.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4089804247) 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, 497122 + ... + 505281.

Almost surely, 2^4089804240 is an apocalyptic number.

4089804240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4089804240 is an abundant number, since it is smaller than the sum of its proper divisors (9334390128).

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

4089804240 is a wasteful number, since it uses less digits than its factorization.

4089804240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002436 (or 1002430 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 4089804240 is about 63951.5773065841. The cubic root of 4089804240 is about 1599.1928533065.

The spelling of 4089804240 in words is "four billion, eighty-nine million, eight hundred four thousand, two hundred forty".