201424404 has 48 divisors (see below), whose sum is σ = 479001600. Its totient is φ = 65865696.

The previous prime is 201424393. The next prime is 201424429. The reversal of 201424404 is 404424102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169099 + ... + 170285.

It is an arithmetic number, because the mean of its divisors is an integer number (9979200).

Almost surely, 2^201424404 is an apocalyptic number.

It is an amenable number.

201424404 is an abundant number, since it is smaller than the sum of its proper divisors (277577196).

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

201424404 is a wasteful number, since it uses less digits than its factorization.

201424404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1452 (or 1450 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 201424404 is about 14192.4065612566. The cubic root of 201424404 is about 586.1885922438.

Adding to 201424404 its reverse (404424102), we get a palindrome (605848506).

The spelling of 201424404 in words is "two hundred one million, four hundred twenty-four thousand, four hundred four".