3403405240 has 16 divisors (see below), whose sum is σ = 7657661880. Its totient is φ = 1361362080.

The previous prime is 3403405217. The next prime is 3403405249. The reversal of 3403405240 is 425043043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3403405249) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42542526 + ... + 42542605.

Almost surely, 2^3403405240 is an apocalyptic number.

It is an amenable number.

3403405240 is an abundant number, since it is smaller than the sum of its proper divisors (4254256640).

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

3403405240 is a wasteful number, since it uses less digits than its factorization.

3403405240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85085142 (or 85085138 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 3403405240 is about 58338.7113330420. The cubic root of 3403405240 is about 1504.1964327239.

Adding to 3403405240 its reverse (425043043), we get a palindrome (3828448283).

The spelling of 3403405240 in words is "three billion, four hundred three million, four hundred five thousand, two hundred forty".