4243220400 has 120 divisors (see below), whose sum is σ = 14392074384. Its totient is φ = 1064960000.

The previous prime is 4243220381. The next prime is 4243220413. The reversal of 4243220400 is 40223424.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 83601 + ... + 124400.

Almost surely, 2^4243220400 is an apocalyptic number.

4243220400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4243220400 is an abundant number, since it is smaller than the sum of its proper divisors (10148853984).

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

4243220400 is a wasteful number, since it uses less digits than its factorization.

4243220400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208039 (or 208028 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 4243220400 is about 65140.0061406199. The cubic root of 4243220400 is about 1618.9441374571.

Adding to 4243220400 its reverse (40223424), we get a palindrome (4283443824).

The spelling of 4243220400 in words is "four billion, two hundred forty-three million, two hundred twenty thousand, four hundred".