4444444408 has 16 divisors (see below), whose sum is σ = 8334568080. Its totient is φ = 2221892928.

The previous prime is 4444444393. The next prime is 4444444429. The reversal of 4444444408 is 8044444444.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21885 + ... + 96787.

It is an arithmetic number, because the mean of its divisors is an integer number (520910505).

Almost surely, 2^4444444408 is an apocalyptic number.

It is an amenable number.

4444444408 is a deficient number, since it is larger than the sum of its proper divisors (3890123672).

4444444408 is a wasteful number, since it uses less digits than its factorization.

4444444408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82326 (or 82322 counting only the distinct ones).

The product of its (nonzero) digits is 524288, while the sum is 40.

The square root of 4444444408 is about 66666.6663933333. Note that the first 3 decimals coincide. The cubic root of 4444444408 is about 1644.1413783930.

The spelling of 4444444408 in words is "four billion, four hundred forty-four million, four hundred forty-four thousand, four hundred eight".