4008008444 has 24 divisors (see below), whose sum is σ = 7653937536. Its totient is φ = 1821278000.

The previous prime is 4008008443. The next prime is 4008008479. The reversal of 4008008444 is 4448008004.

It is a happy number.

It is a super-2 number, since 2×4008008444² = 32128263374350602272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 4008008444.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4008008441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 160439 + ... + 183729.

It is an arithmetic number, because the mean of its divisors is an integer number (318914064).

Almost surely, 2^4008008444 is an apocalyptic number.

4008008444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4008008444 is a deficient number, since it is larger than the sum of its proper divisors (3645929092).

4008008444 is a wasteful number, since it uses less digits than its factorization.

4008008444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27217 (or 27215 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 32.

The square root of 4008008444 is about 63308.8338543682. The cubic root of 4008008444 is about 1588.4597301210.

The spelling of 4008008444 in words is "four billion, eight million, eight thousand, four hundred forty-four".