4442445408 has 48 divisors (see below), whose sum is σ = 11776904496. Its totient is φ = 1466150400.

The previous prime is 4442445361. The next prime is 4442445409. The reversal of 4442445408 is 8045442444.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4442445409) 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, 219391 + ... + 238782.

It is an arithmetic number, because the mean of its divisors is an integer number (245352177).

Almost surely, 2^4442445408 is an apocalyptic number.

4442445408 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4442445408 is an abundant number, since it is smaller than the sum of its proper divisors (7334459088).

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

4442445408 is a wasteful number, since it uses less digits than its factorization.

4442445408 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 458287 (or 458279 counting only the distinct ones).

The product of its (nonzero) digits is 327680, while the sum is 39.

The square root of 4442445408 is about 66651.6722070797. The cubic root of 4442445408 is about 1643.8948435294.

The spelling of 4442445408 in words is "four billion, four hundred forty-two million, four hundred forty-five thousand, four hundred eight".