4021430332 has 48 divisors (see below), whose sum is σ = 7569223200. Its totient is φ = 1863613440.

The previous prime is 4021430321. The next prime is 4021430381. The reversal of 4021430332 is 2330341204.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1646232 + ... + 1648672.

It is an arithmetic number, because the mean of its divisors is an integer number (157692150).

Almost surely, 2^4021430332 is an apocalyptic number.

It is an amenable number.

4021430332 is a deficient number, since it is larger than the sum of its proper divisors (3547792868).

4021430332 is a wasteful number, since it uses less digits than its factorization.

4021430332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 4021430332 is about 63414.7485369137. The cubic root of 4021430332 is about 1590.2308819160.

Adding to 4021430332 its reverse (2330341204), we get a palindrome (6351771536).

The spelling of 4021430332 in words is "four billion, twenty-one million, four hundred thirty thousand, three hundred thirty-two".