401040841 has 4 divisors (see below), whose sum is σ = 401134032. Its totient is φ = 400947652.

The previous prime is 401040839. The next prime is 401040859. The reversal of 401040841 is 148040104.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 401040841 - 2¹ = 401040839 is a prime.

It is a super-2 number, since 2×401040841² = 321667512299974562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401047841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39811 + ... + 48856.

It is an arithmetic number, because the mean of its divisors is an integer number (100283508).

Almost surely, 2^401040841 is an apocalyptic number.

It is an amenable number.

401040841 is a deficient number, since it is larger than the sum of its proper divisors (93191).

401040841 is an equidigital number, since it uses as much as digits as its factorization.

401040841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93190.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 401040841 is about 20026.0041196440. The cubic root of 401040841 is about 737.4448280474. Note that the first 3 decimals are identical.

Adding to 401040841 its reverse (148040104), we get a palindrome (549080945).

The spelling of 401040841 in words is "four hundred one million, forty thousand, eight hundred forty-one".