1404342342 has 72 divisors (see below), whose sum is σ = 3408631200. Its totient is φ = 417178944.

The previous prime is 1404342337. The next prime is 1404342347. The reversal of 1404342342 is 2432434041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1404342337) and next prime (1404342347).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404342347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 80259 + ... + 96177.

It is an arithmetic number, because the mean of its divisors is an integer number (47342100).

Almost surely, 2^1404342342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404342342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1704315600).

1404342342 is an abundant number, since it is smaller than the sum of its proper divisors (2004288858).

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

1404342342 is a wasteful number, since it uses less digits than its factorization.

1404342342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15982 (or 15966 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 1404342342 is about 37474.5559279893. Note that the first 3 decimals coincide. The cubic root of 1404342342 is about 1119.8443507127.

Adding to 1404342342 its reverse (2432434041), we get a palindrome (3836776383).

The spelling of 1404342342 in words is "one billion, four hundred four million, three hundred forty-two thousand, three hundred forty-two".