3400040240 has 20 divisors (see below), whose sum is σ = 7905093744. Its totient is φ = 1360016064.

The previous prime is 3400040221. The next prime is 3400040257. The reversal of 3400040240 is 420400043.

3400040240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21250172 + ... + 21250331.

Almost surely, 2^3400040240 is an apocalyptic number.

It is an amenable number.

3400040240 is an abundant number, since it is smaller than the sum of its proper divisors (4505053504).

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

3400040240 is a wasteful number, since it uses less digits than its factorization.

3400040240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42500516 (or 42500510 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 3400040240 is about 58309.8640025854. The cubic root of 3400040240 is about 1503.7005284042.

Adding to 3400040240 its reverse (420400043), we get a palindrome (3820440283).

The spelling of 3400040240 in words is "three billion, four hundred million, forty thousand, two hundred forty".