401240441 has 8 divisors (see below), whose sum is σ = 458754240. Its totient is φ = 343775088.

The previous prime is 401240431. The next prime is 401240501. The reversal of 401240441 is 144042104.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-401240441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (401240431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7835 + ... + 29391.

It is an arithmetic number, because the mean of its divisors is an integer number (57344280).

Almost surely, 2^401240441 is an apocalyptic number.

It is an amenable number.

401240441 is a deficient number, since it is larger than the sum of its proper divisors (57513799).

401240441 is a wasteful number, since it uses less digits than its factorization.

401240441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24223.

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 401240441 is about 20030.9870201146. The cubic root of 401240441 is about 737.5671510626.

Adding to 401240441 its reverse (144042104), we get a palindrome (545282545).

The spelling of 401240441 in words is "four hundred one million, two hundred forty thousand, four hundred forty-one".