401100418085 has 4 divisors (see below), whose sum is σ = 481320501708. Its totient is φ = 320880334464.

The previous prime is 401100418079. The next prime is 401100418087. The reversal of 401100418085 is 580814001104.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 260012287396 + 141088130689 = 509914^2 + 375617^2 .

It is a cyclic number.

It is not a de Polignac number, because 401100418085 - 2⁸ = 401100417829 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401100418087) 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, 40110041804 + ... + 40110041813.

It is an arithmetic number, because the mean of its divisors is an integer number (120330125427).

Almost surely, 2^401100418085 is an apocalyptic number.

It is an amenable number.

401100418085 is a deficient number, since it is larger than the sum of its proper divisors (80220083623).

401100418085 is an equidigital number, since it uses as much as digits as its factorization.

401100418085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80220083622.

The product of its (nonzero) digits is 5120, while the sum is 32.

Adding to 401100418085 its reverse (580814001104), we get a palindrome (981914419189).

The spelling of 401100418085 in words is "four hundred one billion, one hundred million, four hundred eighteen thousand, eighty-five".