1404441634 has 16 divisors (see below), whose sum is σ = 2216374776. Its totient is φ = 666576000.

The previous prime is 1404441629. The next prime is 1404441659. The reversal of 1404441634 is 4361444041.

It can be written as a sum of positive squares in 4 ways, for example, as 1235311609 + 169130025 = 35147^2 + 13005^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1404441596 and 1404441605.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 228417 + ... + 234484.

Almost surely, 2^1404441634 is an apocalyptic number.

1404441634 is a deficient number, since it is larger than the sum of its proper divisors (811933142).

1404441634 is a wasteful number, since it uses less digits than its factorization.

1404441634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462981.

The product of its (nonzero) digits is 18432, while the sum is 31.

The square root of 1404441634 is about 37475.8806967895. The cubic root of 1404441634 is about 1119.8707424173.

Adding to 1404441634 its reverse (4361444041), we get a palindrome (5765885675).

The spelling of 1404441634 in words is "one billion, four hundred four million, four hundred forty-one thousand, six hundred thirty-four".