3440142404 has 12 divisors (see below), whose sum is σ = 6023938284. Its totient is φ = 1719017184.

The previous prime is 3440142401. The next prime is 3440142437. The reversal of 3440142404 is 4042410443.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 33085504 + 3407056900 = 5752^2 + 58370^2 .

It is not an unprimeable number, because it can be changed into a prime (3440142401) 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, 256139 + ... + 269234.

It is an arithmetic number, because the mean of its divisors is an integer number (501994857).

Almost surely, 2^3440142404 is an apocalyptic number.

It is an amenable number.

3440142404 is a deficient number, since it is larger than the sum of its proper divisors (2583795880).

3440142404 is a wasteful number, since it uses less digits than its factorization.

3440142404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 527014 (or 527012 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 3440142404 is about 58652.7271659213. The cubic root of 3440142404 is about 1509.5892928596.

Adding to 3440142404 its reverse (4042410443), we get a palindrome (7482552847).

The spelling of 3440142404 in words is "three billion, four hundred forty million, one hundred forty-two thousand, four hundred four".