1404541664 has 12 divisors (see below), whose sum is σ = 2765191464. Its totient is φ = 702270816.

The previous prime is 1404541661. The next prime is 1404541679. The reversal of 1404541664 is 4661454041.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404541661) 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 as a sum of consecutive naturals, namely, 21945932 + ... + 21945995.

It is an arithmetic number, because the mean of its divisors is an integer number (230432622).

Almost surely, 2^1404541664 is an apocalyptic number.

It is an amenable number.

1404541664 is a deficient number, since it is larger than the sum of its proper divisors (1360649800).

1404541664 is an equidigital number, since it uses as much as digits as its factorization.

1404541664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43891937 (or 43891929 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 35.

The square root of 1404541664 is about 37477.2152647445. The cubic root of 1404541664 is about 1119.8973290238.

The spelling of 1404541664 in words is "one billion, four hundred four million, five hundred forty-one thousand, six hundred sixty-four".