3804207440 has 40 divisors (see below), whose sum is σ = 9648855648. Its totient is φ = 1383347840.

The previous prime is 3804207437. The next prime is 3804207457. The reversal of 3804207440 is 447024083.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 3804207397 and 3804207406.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2160602 + ... + 2162361.

Almost surely, 2^3804207440 is an apocalyptic number.

It is an amenable number.

3804207440 is an abundant number, since it is smaller than the sum of its proper divisors (5844648208).

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

3804207440 is a wasteful number, since it uses less digits than its factorization.

3804207440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4322987 (or 4322981 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 32.

The square root of 3804207440 is about 61678.2574332317. The cubic root of 3804207440 is about 1561.0664743462.

The spelling of 3804207440 in words is "three billion, eight hundred four million, two hundred seven thousand, four hundred forty".