202642430416 has 20 divisors (see below), whose sum is σ = 399056099524. Its totient is φ = 99660211200.

The previous prime is 202642430413. The next prime is 202642430461. The reversal of 202642430416 is 614034246202.

It can be written as a sum of positive squares in 2 ways, for example, as 20706058816 + 181936371600 = 143896^2 + 426540^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (202642430413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103811745 + ... + 103813696.

Almost surely, 2^202642430416 is an apocalyptic number.

It is an amenable number.

202642430416 is a deficient number, since it is larger than the sum of its proper divisors (196413669108).

202642430416 is a wasteful number, since it uses less digits than its factorization.

202642430416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207625510 (or 207625504 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 34.

Adding to 202642430416 its reverse (614034246202), we get a palindrome (816676676618).

The spelling of 202642430416 in words is "two hundred two billion, six hundred forty-two million, four hundred thirty thousand, four hundred sixteen".