1320404414 has 16 divisors (see below), whose sum is σ = 2300659296. Its totient is φ = 556610400.

The previous prime is 1320404389. The next prime is 1320404429. The reversal of 1320404414 is 4144040231.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1320404414.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 772217 + ... + 773924.

It is an arithmetic number, because the mean of its divisors is an integer number (143791206).

Almost surely, 2^1320404414 is an apocalyptic number.

1320404414 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1320404414 is a deficient number, since it is larger than the sum of its proper divisors (980254882).

1320404414 is a wasteful number, since it uses less digits than its factorization.

1320404414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546211.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 1320404414 is about 36337.3693874502. The cubic root of 1320404414 is about 1097.0733259446.

Adding to 1320404414 its reverse (4144040231), we get a palindrome (5464444645).

The spelling of 1320404414 in words is "one billion, three hundred twenty million, four hundred four thousand, four hundred fourteen".