1404161056 has 12 divisors (see below), whose sum is σ = 2764442142. Its totient is φ = 702080512.

The previous prime is 1404161051. The next prime is 1404161081. The reversal of 1404161056 is 6501614041.

It can be written as a sum of positive squares in only one way, i.e., 799984656 + 604176400 = 28284^2 + 24580^2 .

It is not an unprimeable number, because it can be changed into a prime (1404161051) 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 as a sum of consecutive naturals, namely, 21939985 + ... + 21940048.

Almost surely, 2^1404161056 is an apocalyptic number.

1404161056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1404161056 is a deficient number, since it is larger than the sum of its proper divisors (1360281086).

1404161056 is an equidigital number, since it uses as much as digits as its factorization.

1404161056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43880043 (or 43880035 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 1404161056 is about 37472.1370620892. The cubic root of 1404161056 is about 1119.7961618836.

Adding to 1404161056 its reverse (6501614041), we get a palindrome (7905775097).

The spelling of 1404161056 in words is "one billion, four hundred four million, one hundred sixty-one thousand, fifty-six".