401110144 has 16 divisors (see below), whose sum is σ = 799086870. Its totient is φ = 200555008.

The previous prime is 401110091. The next prime is 401110153. The reversal of 401110144 is 441011104.

It can be written as a sum of positive squares in only one way, i.e., 364046400 + 37063744 = 19080^2 + 6088^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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, 1566709 + ... + 1566964.

Almost surely, 2^401110144 is an apocalyptic number.

It is an amenable number.

401110144 is a deficient number, since it is larger than the sum of its proper divisors (397976726).

401110144 is an equidigital number, since it uses as much as digits as its factorization.

401110144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3133687 (or 3133675 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

The square root of 401110144 is about 20027.7343701179. The cubic root of 401110144 is about 737.4873043491.

Adding to 401110144 its reverse (441011104), we get a palindrome (842121248).

The spelling of 401110144 in words is "four hundred one million, one hundred ten thousand, one hundred forty-four".