1404050431 has 4 divisors (see below), whose sum is σ = 1604629072. Its totient is φ = 1203471792.

The previous prime is 1404050423. The next prime is 1404050437. The reversal of 1404050431 is 1340504041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1340504041 = 67 ⋅20007523.

It is a cyclic number.

It is not a de Polignac number, because 1404050431 - 2³ = 1404050423 is a prime.

It is a super-2 number, since 2×1404050431² = 3942715225582571522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404050437) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 100289310 + ... + 100289323.

It is an arithmetic number, because the mean of its divisors is an integer number (401157268).

Almost surely, 2^1404050431 is an apocalyptic number.

1404050431 is a deficient number, since it is larger than the sum of its proper divisors (200578641).

1404050431 is an equidigital number, since it uses as much as digits as its factorization.

1404050431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200578640.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1404050431 is about 37470.6609362578. The cubic root of 1404050431 is about 1119.7667538840.

Adding to 1404050431 its reverse (1340504041), we get a palindrome (2744554472).

The spelling of 1404050431 in words is "one billion, four hundred four million, fifty thousand, four hundred thirty-one".