1404450407 has 4 divisors (see below), whose sum is σ = 1404525360. Its totient is φ = 1404375456.

The previous prime is 1404450401. The next prime is 1404450409. The reversal of 1404450407 is 7040544041.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1404450407 - 2⁶ = 1404450343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1404450407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404450401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18719 + ... + 56207.

It is an arithmetic number, because the mean of its divisors is an integer number (351131340).

Almost surely, 2^1404450407 is an apocalyptic number.

1404450407 is a deficient number, since it is larger than the sum of its proper divisors (74953).

1404450407 is an equidigital number, since it uses as much as digits as its factorization.

1404450407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74952.

The product of its (nonzero) digits is 8960, while the sum is 29.

The square root of 1404450407 is about 37475.9977452235. The cubic root of 1404450407 is about 1119.8730742113.

Adding to 1404450407 its reverse (7040544041), we get a palindrome (8444994448).

The spelling of 1404450407 in words is "one billion, four hundred four million, four hundred fifty thousand, four hundred seven".