4136448918 has 128 divisors (see below), whose sum is σ = 10043357184. Its totient is φ = 1111219200.

The previous prime is 4136448917. The next prime is 4136448923. The reversal of 4136448918 is 8198446314.

It is a super-2 number, since 2×4136448918² = 34220419302446741448, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4136448917) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5566855 + ... + 5567597.

It is an arithmetic number, because the mean of its divisors is an integer number (78463728).

Almost surely, 2^4136448918 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4136448918, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5021678592).

4136448918 is an abundant number, since it is smaller than the sum of its proper divisors (5906908266).

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

4136448918 is a wasteful number, since it uses less digits than its factorization.

4136448918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 910.

The product of its digits is 663552, while the sum is 48.

The square root of 4136448918 is about 64315.2308399807. The cubic root of 4136448918 is about 1605.2495437925.

The spelling of 4136448918 in words is "four billion, one hundred thirty-six million, four hundred forty-eight thousand, nine hundred eighteen".