4243450402 has 16 divisors (see below), whose sum is σ = 6443047800. Its totient is φ = 2095815040.

The previous prime is 4243450357. The next prime is 4243450411. The reversal of 4243450402 is 2040543424.

It can be written as a sum of positive squares in 4 ways, for example, as 3767381641 + 476068761 = 61379^2 + 21819^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 177624 + ... + 200092.

Almost surely, 2^4243450402 is an apocalyptic number.

4243450402 is a deficient number, since it is larger than the sum of its proper divisors (2199597398).

4243450402 is a wasteful number, since it uses less digits than its factorization.

4243450402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23621.

The product of its (nonzero) digits is 15360, while the sum is 28.

The square root of 4243450402 is about 65141.7715601902. The cubic root of 4243450402 is about 1618.9733883268.

Adding to 4243450402 its reverse (2040543424), we get a palindrome (6283993826).

The spelling of 4243450402 in words is "four billion, two hundred forty-three million, four hundred fifty thousand, four hundred two".