202404400402 has 4 divisors (see below), whose sum is σ = 303606600606. Its totient is φ = 101202200200.

The previous prime is 202404400369. The next prime is 202404400411. The reversal of 202404400402 is 204004404202.

202404400402 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 166962949321 + 35441451081 = 408611^2 + 188259^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50601100099 + ... + 50601100102.

Almost surely, 2^202404400402 is an apocalyptic number.

202404400402 is a deficient number, since it is larger than the sum of its proper divisors (101202200204).

202404400402 is a wasteful number, since it uses less digits than its factorization.

202404400402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101202200203.

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 202404400402 its reverse (204004404202), we get a palindrome (406408804604).

The spelling of 202404400402 in words is "two hundred two billion, four hundred four million, four hundred thousand, four hundred two".