1404420342 has 64 divisors (see below), whose sum is σ = 3258372096. Its totient is φ = 399991680.

The previous prime is 1404420293. The next prime is 1404420343. The reversal of 1404420342 is 2430244041.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404420343) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 42988 + ... + 68240.

It is an arithmetic number, because the mean of its divisors is an integer number (50912064).

Almost surely, 2^1404420342 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404420342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1629186048).

1404420342 is an abundant number, since it is smaller than the sum of its proper divisors (1853951754).

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

1404420342 is a wasteful number, since it uses less digits than its factorization.

1404420342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25325.

The product of its (nonzero) digits is 3072, while the sum is 24.

The square root of 1404420342 is about 37475.5966196670. The cubic root of 1404420342 is about 1119.8650831319.

Adding to 1404420342 its reverse (2430244041), we get a palindrome (3834664383).

The spelling of 1404420342 in words is "one billion, four hundred four million, four hundred twenty thousand, three hundred forty-two".