4043221400 has 48 divisors (see below), whose sum is σ = 9406306440. Its totient is φ = 1616288000.

The previous prime is 4043221381. The next prime is 4043221417. The reversal of 4043221400 is 41223404.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376100 + ... + 386700.

Almost surely, 2^4043221400 is an apocalyptic number.

4043221400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4043221400 is an abundant number, since it is smaller than the sum of its proper divisors (5363085040).

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

4043221400 is a wasteful number, since it uses less digits than its factorization.

4043221400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12524 (or 12515 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 4043221400 is about 63586.3302919739. The cubic root of 4043221400 is about 1593.0980562519.

Adding to 4043221400 its reverse (41223404), we get a palindrome (4084444804).

The spelling of 4043221400 in words is "four billion, forty-three million, two hundred twenty-one thousand, four hundred".