1404521404 has 48 divisors (see below), whose sum is σ = 3013194240. Its totient is φ = 563682240.

The previous prime is 1404521389. The next prime is 1404521441. The reversal of 1404521404 is 4041254041.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 40224 + ... + 66535.

It is an arithmetic number, because the mean of its divisors is an integer number (62774880).

Almost surely, 2^1404521404 is an apocalyptic number.

It is an amenable number.

1404521404 is an abundant number, since it is smaller than the sum of its proper divisors (1608672836).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404521404 is a wasteful number, since it uses less digits than its factorization.

1404521404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106810 (or 106808 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 1404521404 is about 37476.9449662056. The cubic root of 1404521404 is about 1119.8919442947.

Adding to 1404521404 its reverse (4041254041), we get a palindrome (5445775445).

The spelling of 1404521404 in words is "one billion, four hundred four million, five hundred twenty-one thousand, four hundred four".