40340210401 has 4 divisors (see below), whose sum is σ = 42713163972. Its totient is φ = 37967256832.

The previous prime is 40340210387. The next prime is 40340210413. The reversal of 40340210401 is 10401204304.

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 34864358400 + 5475852001 = 186720^2 + 73999^2 .

It is a cyclic number.

It is not a de Polignac number, because 40340210401 - 2⁵ = 40340210369 is a prime.

It is a super-3 number, since 3×40340210401³ (a number of 33 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40340210461) 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, 1186476760 + ... + 1186476793.

It is an arithmetic number, because the mean of its divisors is an integer number (10678290993).

Almost surely, 2^40340210401 is an apocalyptic number.

It is an amenable number.

40340210401 is a deficient number, since it is larger than the sum of its proper divisors (2372953571).

40340210401 is a wasteful number, since it uses less digits than its factorization.

40340210401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2372953570.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 40340210401 its reverse (10401204304), we get a palindrome (50741414705).

The spelling of 40340210401 in words is "forty billion, three hundred forty million, two hundred ten thousand, four hundred one".