1404432441 has 12 divisors (see below), whose sum is σ = 2147955732. Its totient is φ = 881212416.

The previous prime is 1404432433. The next prime is 1404432457. The reversal of 1404432441 is 1442344041.

It can be written as a sum of positive squares in 2 ways, for example, as 829440000 + 574992441 = 28800^2 + 23979^2 .

It is not a de Polignac number, because 1404432441 - 2³ = 1404432433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1404432461) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 4589496 + ... + 4589801.

It is an arithmetic number, because the mean of its divisors is an integer number (178996311).

Almost surely, 2^1404432441 is an apocalyptic number.

It is an amenable number.

1404432441 is a deficient number, since it is larger than the sum of its proper divisors (743523291).

1404432441 is a wasteful number, since it uses less digits than its factorization.

1404432441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9179320 (or 9179317 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 1404432441 is about 37475.7580443678. The cubic root of 1404432441 is about 1119.8682989803.

Adding to 1404432441 its reverse (1442344041), we get a palindrome (2846776482).

It can be divided in two parts, 140443 and 2441, that added together give a square (142884 = 378²).

The spelling of 1404432441 in words is "one billion, four hundred four million, four hundred thirty-two thousand, four hundred forty-one".