3420444042 has 12 divisors (see below), whose sum is σ = 7410962130. Its totient is φ = 1140148008.

The previous prime is 3420444031. The next prime is 3420444043. The reversal of 3420444042 is 2404440243.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1907156241 + 1513287801 = 43671^2 + 38901^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3420443997 and 3420444015.

It is not an unprimeable number, because it can be changed into a prime (3420444043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 95012317 + ... + 95012352.

Almost surely, 2^3420444042 is an apocalyptic number.

3420444042 is an abundant number, since it is smaller than the sum of its proper divisors (3990518088).

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

3420444042 is a wasteful number, since it uses less digits than its factorization.

3420444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190024677 (or 190024674 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

The square root of 3420444042 is about 58484.5624246262. The cubic root of 3420444042 is about 1506.7024574363.

Adding to 3420444042 its reverse (2404440243), we get a palindrome (5824884285).

The spelling of 3420444042 in words is "three billion, four hundred twenty million, four hundred forty-four thousand, forty-two".