4320213444 has 36 divisors (see below), whose sum is σ = 11272817920. Its totient is φ = 1393616880.

The previous prime is 4320213439. The next prime is 4320213449. The reversal of 4320213444 is 4443120234.

It is a happy number.

4320213444 is a `hidden beast` number, since 4 + 3 + 2 + 0 + 213 + 444 = 666.

It is an interprime number because it is at equal distance from previous prime (4320213439) and next prime (4320213449).

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×4320213444² = 37328488403436682272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4320213449) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 1934464 + ... + 1936695.

Almost surely, 2^4320213444 is an apocalyptic number.

It is an amenable number.

4320213444 is an abundant number, since it is smaller than the sum of its proper divisors (6952604476).

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

4320213444 is a wasteful number, since it uses less digits than its factorization.

4320213444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871200 (or 3871195 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 4320213444 is about 65728.3306040858. The cubic root of 4320213444 is about 1628.6773924853.

Adding to 4320213444 its reverse (4443120234), we get a palindrome (8763333678).

The spelling of 4320213444 in words is "four billion, three hundred twenty million, two hundred thirteen thousand, four hundred forty-four".