41021405401 has 4 divisors (see below), whose sum is σ = 41053230900. Its totient is φ = 40989579904.

The previous prime is 41021405389. The next prime is 41021405437. The reversal of 41021405401 is 10450412014.

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 30528476176 + 10492929225 = 174724^2 + 102435^2 .

It is a cyclic number.

It is not a de Polignac number, because 41021405401 - 2²¹ = 41019308249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (41021405471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15910816 + ... + 15913393.

It is an arithmetic number, because the mean of its divisors is an integer number (10263307725).

Almost surely, 2^41021405401 is an apocalyptic number.

It is an amenable number.

41021405401 is a deficient number, since it is larger than the sum of its proper divisors (31825499).

41021405401 is a wasteful number, since it uses less digits than its factorization.

41021405401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31825498.

The product of its (nonzero) digits is 640, while the sum is 22.

Adding to 41021405401 its reverse (10450412014), we get a palindrome (51471817415).

The spelling of 41021405401 in words is "forty-one billion, twenty-one million, four hundred five thousand, four hundred one".