4081650228 has 36 divisors (see below), whose sum is σ = 10360337988. Its totient is φ = 1354901760.

The previous prime is 4081650203. The next prime is 4081650229. The reversal of 4081650228 is 8220561804.

It can be written as a sum of positive squares in 2 ways, for example, as 3555498384 + 526151844 = 59628^2 + 22938^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4081650192 and 4081650201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4081650229) 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, 226551 + ... + 243902.

Almost surely, 2^4081650228 is an apocalyptic number.

It is an amenable number.

4081650228 is an abundant number, since it is smaller than the sum of its proper divisors (6278687760).

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

4081650228 is a wasteful number, since it uses less digits than its factorization.

4081650228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470704 (or 470699 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 4081650228 is about 63887.7940454982. The cubic root of 4081650228 is about 1598.1293538834.

The spelling of 4081650228 in words is "four billion, eighty-one million, six hundred fifty thousand, two hundred twenty-eight".