3440423420 has 48 divisors (see below), whose sum is σ = 8264137728. Its totient is φ = 1178556480.

The previous prime is 3440423417. The next prime is 3440423471. The reversal of 3440423420 is 243240443.

3440423420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 3440423420.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162359 + ... + 182321.

It is an arithmetic number, because the mean of its divisors is an integer number (172169536).

Almost surely, 2^3440423420 is an apocalyptic number.

It is an amenable number.

3440423420 is an abundant number, since it is smaller than the sum of its proper divisors (4823714308).

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

3440423420 is a wasteful number, since it uses less digits than its factorization.

3440423420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21210 (or 21208 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 3440423420 is about 58655.1227089331. The cubic root of 3440423420 is about 1509.6303965063.

Adding to 3440423420 its reverse (243240443), we get a palindrome (3683663863).

The spelling of 3440423420 in words is "three billion, four hundred forty million, four hundred twenty-three thousand, four hundred twenty".