4481540418 has 16 divisors (see below), whose sum is σ = 9205326720. Its totient is φ = 1453472496.

The previous prime is 4481540411. The next prime is 4481540423. The reversal of 4481540418 is 8140451844.

It is a happy number.

4481540418 is nontrivially palindromic in base 5.

It is a super-2 number, since 2×4481540418² = 40168409036335229448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4481540411) 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, 10093338 + ... + 10093781.

It is an arithmetic number, because the mean of its divisors is an integer number (575332920).

Almost surely, 2^4481540418 is an apocalyptic number.

4481540418 is an abundant number, since it is smaller than the sum of its proper divisors (4723786302).

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

4481540418 is a wasteful number, since it uses less digits than its factorization.

4481540418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20187161.

The product of its (nonzero) digits is 81920, while the sum is 39.

The square root of 4481540418 is about 66944.3083316274. The cubic root of 4481540418 is about 1648.7030417856.

The spelling of 4481540418 in words is "four billion, four hundred eighty-one million, five hundred forty thousand, four hundred eighteen".