43040222100 has 144 divisors (see below), whose sum is σ = 138494677440. Its totient is φ = 11466748800.

The previous prime is 43040222063. The next prime is 43040222123. The reversal of 43040222100 is 122204034.

43040222100 is a `hidden beast` number, since 43 + 0 + 402 + 221 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3154894 + ... + 3168506.

Almost surely, 2^43040222100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 43040222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (69247338720).

43040222100 is an abundant number, since it is smaller than the sum of its proper divisors (95454455340).

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

43040222100 is a wasteful number, since it uses less digits than its factorization.

43040222100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807 (or 14794 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 43040222100 its reverse (122204034), we get a palindrome (43162426134).

The spelling of 43040222100 in words is "forty-three billion, forty million, two hundred twenty-two thousand, one hundred".