4450420434 has 16 divisors (see below), whose sum is σ = 8938085760. Its totient is φ = 1477266000.

The previous prime is 4450420423. The next prime is 4450420453. The reversal of 4450420434 is 4340240544.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1550317 + ... + 1553184.

It is an arithmetic number, because the mean of its divisors is an integer number (558630360).

Almost surely, 2^4450420434 is an apocalyptic number.

4450420434 is an abundant number, since it is smaller than the sum of its proper divisors (4487665326).

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

4450420434 is a wasteful number, since it uses less digits than its factorization.

4450420434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3103745.

The product of its (nonzero) digits is 30720, while the sum is 30.

The square root of 4450420434 is about 66711.4715322635. The cubic root of 4450420434 is about 1644.8779557341.

Adding to 4450420434 its reverse (4340240544), we get a palindrome (8790660978).

The spelling of 4450420434 in words is "four billion, four hundred fifty million, four hundred twenty thousand, four hundred thirty-four".