1404046641 has 4 divisors (see below), whose sum is σ = 1872062192. Its totient is φ = 936031092.

The previous prime is 1404046639. The next prime is 1404046649. The reversal of 1404046641 is 1466404041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1404046641 - 2¹ = 1404046639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1404046599 and 1404046608.

It is not an unprimeable number, because it can be changed into a prime (1404046649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 234007771 + ... + 234007776.

It is an arithmetic number, because the mean of its divisors is an integer number (468015548).

Almost surely, 2^1404046641 is an apocalyptic number.

It is an amenable number.

1404046641 is a deficient number, since it is larger than the sum of its proper divisors (468015551).

1404046641 is an equidigital number, since it uses as much as digits as its factorization.

1404046641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468015550.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 1404046641 is about 37470.6103633234. The cubic root of 1404046641 is about 1119.7657463418.

The spelling of 1404046641 in words is "one billion, four hundred four million, forty-six thousand, six hundred forty-one".