401011441 has 8 divisors (see below), whose sum is σ = 404092584. Its totient is φ = 397937280.

The previous prime is 401011433. The next prime is 401011469. The reversal of 401011441 is 144110104.

It can be written as a sum of positive squares in 4 ways, for example, as 119443041 + 281568400 = 10929^2 + 16780^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 401011441 - 2³ = 401011433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401011241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186231 + ... + 188371.

It is an arithmetic number, because the mean of its divisors is an integer number (50511573).

Almost surely, 2^401011441 is an apocalyptic number.

It is an amenable number.

401011441 is a deficient number, since it is larger than the sum of its proper divisors (3081143).

401011441 is a wasteful number, since it uses less digits than its factorization.

401011441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3491.

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

The square root of 401011441 is about 20025.2700606009. The cubic root of 401011441 is about 737.4268070999.

Adding to 401011441 its reverse (144110104), we get a palindrome (545121545).

It can be divided in two parts, 4010 and 11441, that added together give a palindrome (15451).

The spelling of 401011441 in words is "four hundred one million, eleven thousand, four hundred forty-one".