4445910018 has 224 divisors, whose sum is σ = 11521094400. Its totient is φ = 1284323040.

The previous prime is 4445910017. The next prime is 4445910019. The reversal of 4445910018 is 8100195444.

It is an interprime number because it is at equal distance from previous prime (4445910017) and next prime (4445910019).

It is a super-2 number, since 2×4445910018² = 39532231776305520648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4445910017) by changing a digit.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 56277303 + ... + 56277381.

Almost surely, 2^4445910018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4445910018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5760547200).

4445910018 is an abundant number, since it is smaller than the sum of its proper divisors (7075184382).

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

4445910018 is an equidigital number, since it uses as much as digits as its factorization.

4445910018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 124 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 4445910018 is about 66677.6575623349. The cubic root of 4445910018 is about 1644.3220837861.

The spelling of 4445910018 in words is "four billion, four hundred forty-five million, nine hundred ten thousand, eighteen".