201404424 has 32 divisors (see below), whose sum is σ = 542243520. Its totient is φ = 61970496.

The previous prime is 201404407. The next prime is 201404429. The reversal of 201404424 is 424404102.

201404424 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 201404424.

It is not an unprimeable number, because it can be changed into a prime (201404429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322452 + ... + 323075.

It is an arithmetic number, because the mean of its divisors is an integer number (16945110).

Almost surely, 2^201404424 is an apocalyptic number.

201404424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

201404424 is an abundant number, since it is smaller than the sum of its proper divisors (340839096).

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

201404424 is a wasteful number, since it uses less digits than its factorization.

201404424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 645549 (or 645545 counting only the distinct ones).

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

The square root of 201404424 is about 14191.7026462648. The cubic root of 201404424 is about 586.1692095621.

Adding to 201404424 its reverse (424404102), we get a palindrome (625808526).

The spelling of 201404424 in words is "two hundred one million, four hundred four thousand, four hundred twenty-four".