1404240434 has 4 divisors (see below), whose sum is σ = 2106360654. Its totient is φ = 702120216.

The previous prime is 1404240433. The next prime is 1404240463. The reversal of 1404240434 is 4340424041.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1394649025 + 9591409 = 37345^2 + 3097^2 .

It is not an unprimeable number, because it can be changed into a prime (1404240433) 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 as a sum of consecutive naturals, namely, 351060107 + ... + 351060110.

Almost surely, 2^1404240434 is an apocalyptic number.

1404240434 is a deficient number, since it is larger than the sum of its proper divisors (702120220).

1404240434 is an equidigital number, since it uses as much as digits as its factorization.

1404240434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702120219.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1404240434 is about 37473.1962074227. The cubic root of 1404240434 is about 1119.8172623845.

Adding to 1404240434 its reverse (4340424041), we get a palindrome (5744664475).

The spelling of 1404240434 in words is "one billion, four hundred four million, two hundred forty thousand, four hundred thirty-four".