210043024402 has 4 divisors (see below), whose sum is σ = 315064536606. Its totient is φ = 105021512200.

The previous prime is 210043024397. The next prime is 210043024421. The reversal of 210043024402 is 204420340012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 208601379441 + 1441644961 = 456729^2 + 37969^2 .

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52510756099 + ... + 52510756102.

Almost surely, 2^210043024402 is an apocalyptic number.

210043024402 is a deficient number, since it is larger than the sum of its proper divisors (105021512204).

210043024402 is a wasteful number, since it uses less digits than its factorization.

210043024402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105021512203.

The product of its (nonzero) digits is 1536, while the sum is 22.

Adding to 210043024402 its reverse (204420340012), we get a palindrome (414463364414).

The spelling of 210043024402 in words is "two hundred ten billion, forty-three million, twenty-four thousand, four hundred two".