4418039808 has 416 divisors, whose sum is σ = 16146099200. Its totient is φ = 1162543104.

The previous prime is 4418039783. The next prime is 4418039819. The reversal of 4418039808 is 8089308144.

It is a tau number, because it is divible by the number of its divisors (416).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10063653 + ... + 10064091.

Almost surely, 2^4418039808 is an apocalyptic number.

4418039808 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4418039808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8073049600).

4418039808 is an abundant number, since it is smaller than the sum of its proper divisors (11728059392).

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

4418039808 is a wasteful number, since it uses less digits than its factorization.

4418039808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 45.

The square root of 4418039808 is about 66468.3368830603. The cubic root of 4418039808 is about 1640.8789419033.

The spelling of 4418039808 in words is "four billion, four hundred eighteen million, thirty-nine thousand, eight hundred eight".