4490904186 has 12 divisors (see below), whose sum is σ = 9730292442. Its totient is φ = 1496968056.

The previous prime is 4490904181. The next prime is 4490904247. The reversal of 4490904186 is 6814090944.

4490904186 is a `hidden beast` number, since 449 + 0 + 90 + 41 + 86 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4314519225 + 176384961 = 65685^2 + 13281^2 .

It is not an unprimeable number, because it can be changed into a prime (4490904181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 124747321 + ... + 124747356.

Almost surely, 2^4490904186 is an apocalyptic number.

4490904186 is an abundant number, since it is smaller than the sum of its proper divisors (5239388256).

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

4490904186 is a wasteful number, since it uses less digits than its factorization.

4490904186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249494685 (or 249494682 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 4490904186 is about 67014.2088366340. The cubic root of 4490904186 is about 1649.8505142811.

The spelling of 4490904186 in words is "four billion, four hundred ninety million, nine hundred four thousand, one hundred eighty-six".