4385450290 has 48 divisors (see below), whose sum is σ = 8562594888. Its totient is φ = 1616429568.

The previous prime is 4385450281. The next prime is 4385450297. The reversal of 4385450290 is 920545834.

It can be written as a sum of positive squares in 12 ways, for example, as 79334649 + 4306115641 = 8907^2 + 65621^2 .

It is a super-2 number, since 2×4385450290² = 38464348492122168200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4385450297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1142214 + ... + 1146046.

Almost surely, 2^4385450290 is an apocalyptic number.

4385450290 is a deficient number, since it is larger than the sum of its proper divisors (4177144598).

4385450290 is a wasteful number, since it uses less digits than its factorization.

4385450290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4543 (or 4530 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 40.

The square root of 4385450290 is about 66222.7324262598. The cubic root of 4385450290 is about 1636.8343516736.

The spelling of 4385450290 in words is "four billion, three hundred eighty-five million, four hundred fifty thousand, two hundred ninety".