4444400408 has 16 divisors (see below), whose sum is σ = 9523715280. Its totient is φ = 1904743008.

The previous prime is 4444400347. The next prime is 4444400413. The reversal of 4444400408 is 8040044444.

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, 39682091 + ... + 39682202.

It is an arithmetic number, because the mean of its divisors is an integer number (595232205).

Almost surely, 2^4444400408 is an apocalyptic number.

It is an amenable number.

4444400408 is an abundant number, since it is smaller than the sum of its proper divisors (5079314872).

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

4444400408 is a wasteful number, since it uses less digits than its factorization.

4444400408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79364306 (or 79364302 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 32.

The square root of 4444400408 is about 66666.3363925152. The cubic root of 4444400408 is about 1644.1359527085.

The spelling of 4444400408 in words is "four billion, four hundred forty-four million, four hundred thousand, four hundred eight".