4400743818 has 24 divisors (see below), whose sum is σ = 9094577184. Its totient is φ = 1419592920.

The previous prime is 4400743817. The next prime is 4400743877. The reversal of 4400743818 is 8183470044.

It is not an unprimeable number, because it can be changed into a prime (4400743813) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 375846 + ... + 387377.

It is an arithmetic number, because the mean of its divisors is an integer number (378940716).

Almost surely, 2^4400743818 is an apocalyptic number.

4400743818 is an abundant number, since it is smaller than the sum of its proper divisors (4693833366).

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

4400743818 is a wasteful number, since it uses less digits than its factorization.

4400743818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763290 (or 763259 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The square root of 4400743818 is about 66338.1023093064. The cubic root of 4400743818 is about 1638.7348732575.

The spelling of 4400743818 in words is "four billion, four hundred million, seven hundred forty-three thousand, eight hundred eighteen".