3423404440 has 32 divisors (see below), whose sum is σ = 7719410160. Its totient is φ = 1366384000.

The previous prime is 3423404437. The next prime is 3423404447. The reversal of 3423404440 is 444043243.

It is a junction number, because it is equal to n+sod(n) for n = 3423404399 and 3423404408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423404447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74386 + ... + 111265.

Almost surely, 2^3423404440 is an apocalyptic number.

It is an amenable number.

3423404440 is an abundant number, since it is smaller than the sum of its proper divisors (4296005720).

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

3423404440 is a wasteful number, since it uses less digits than its factorization.

3423404440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186123 (or 186119 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 28.

The square root of 3423404440 is about 58509.8661765689. The cubic root of 3423404440 is about 1507.1370162896.

Adding to 3423404440 its reverse (444043243), we get a palindrome (3867447683).

The spelling of 3423404440 in words is "three billion, four hundred twenty-three million, four hundred four thousand, four hundred forty".