202404431402 has 8 divisors (see below), whose sum is σ = 303952837476. Its totient is φ = 101086818912.

The previous prime is 202404431399. The next prime is 202404431423. The reversal of 202404431402 is 204134404202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 168279627961 + 34124803441 = 410219^2 + 184729^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 57696203 + ... + 57699710.

Almost surely, 2^202404431402 is an apocalyptic number.

202404431402 is a deficient number, since it is larger than the sum of its proper divisors (101548406074).

202404431402 is a wasteful number, since it uses less digits than its factorization.

202404431402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115396792.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 202404431402 its reverse (204134404202), we get a palindrome (406538835604).

The spelling of 202404431402 in words is "two hundred two billion, four hundred four million, four hundred thirty-one thousand, four hundred two".