4020344404 has 12 divisors (see below), whose sum is σ = 7036835904. Its totient is φ = 2009819864.

The previous prime is 4020344389. The next prime is 4020344411. The reversal of 4020344404 is 4044430204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61522 + ... + 108745.

It is an arithmetic number, because the mean of its divisors is an integer number (586402992).

Almost surely, 2^4020344404 is an apocalyptic number.

It is an amenable number.

4020344404 is a deficient number, since it is larger than the sum of its proper divisors (3016491500).

4020344404 is a wasteful number, since it uses less digits than its factorization.

4020344404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176174 (or 176172 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 25.

The square root of 4020344404 is about 63406.1858496472. The cubic root of 4020344404 is about 1590.0877295581.

Adding to 4020344404 its reverse (4044430204), we get a palindrome (8064774608).

The spelling of 4020344404 in words is "four billion, twenty million, three hundred forty-four thousand, four hundred four".