43221440100 has 72 divisors (see below), whose sum is σ = 126038821888. Its totient is φ = 11434953600.

The previous prime is 43221440089. The next prime is 43221440117. The reversal of 43221440100 is 104412234.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 529111 + ... + 605310.

Almost surely, 2^43221440100 is an apocalyptic number.

It is an amenable number.

43221440100 is an abundant number, since it is smaller than the sum of its proper divisors (82817381788).

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

43221440100 is a wasteful number, since it uses less digits than its factorization.

43221440100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134565 (or 1134558 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 43221440100 its reverse (104412234), we get a palindrome (43325852334).

The spelling of 43221440100 in words is "forty-three billion, two hundred twenty-one million, four hundred forty thousand, one hundred".