1404402004 has 12 divisors (see below), whose sum is σ = 2458409044. Its totient is φ = 701999424.

The previous prime is 1404401993. The next prime is 1404402023. The reversal of 1404402004 is 4002044041.

It can be written as a sum of positive squares in 2 ways, for example, as 414041104 + 990360900 = 20348^2 + 31470^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 34137 + ... + 63040.

Almost surely, 2^1404402004 is an apocalyptic number.

It is an amenable number.

1404402004 is a deficient number, since it is larger than the sum of its proper divisors (1054007040).

1404402004 is a wasteful number, since it uses less digits than its factorization.

1404402004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100794 (or 100792 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1404402004 is about 37475.3519529837. The cubic root of 1404402004 is about 1119.8602089560.

Adding to 1404402004 its reverse (4002044041), we get a palindrome (5406446045).

The spelling of 1404402004 in words is "one billion, four hundred four million, four hundred two thousand, four".