4045021100 has 36 divisors (see below), whose sum is σ = 8793192408. Its totient is φ = 1615152000.

The previous prime is 4045021087. The next prime is 4045021103. The reversal of 4045021100 is 11205404.

It is not an unprimeable number, because it can be changed into a prime (4045021103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21680 + ... + 92520.

Almost surely, 2^4045021100 is an apocalyptic number.

It is an amenable number.

4045021100 is an abundant number, since it is smaller than the sum of its proper divisors (4748171308).

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

4045021100 is a wasteful number, since it uses less digits than its factorization.

4045021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71426 (or 71419 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 4045021100 is about 63600.4803440980. The cubic root of 4045021100 is about 1593.3343920015.

Adding to 4045021100 its reverse (11205404), we get a palindrome (4056226504).

The spelling of 4045021100 in words is "four billion, forty-five million, twenty-one thousand, one hundred".