40420404201241 has 4 divisors (see below), whose sum is σ = 40435849524532. Its totient is φ = 40404958877952.

The previous prime is 40420404201217. The next prime is 40420404201271. The reversal of 40420404201241 is 14210240402404.

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 23868696513600 + 16551707687641 = 4885560^2 + 4068379^2 .

It is a cyclic number.

It is not a de Polignac number, because 40420404201241 - 2⁷ = 40420404201113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40420404201271) 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, 7722657720 + ... + 7722662953.

It is an arithmetic number, because the mean of its divisors is an integer number (10108962381133).

Almost surely, 2^{40420404201241} is an apocalyptic number.

It is an amenable number.

40420404201241 is a deficient number, since it is larger than the sum of its proper divisors (15445323291).

40420404201241 is a wasteful number, since it uses less digits than its factorization.

40420404201241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15445323290.

The product of its (nonzero) digits is 8192, while the sum is 28.

Adding to 40420404201241 its reverse (14210240402404), we get a palindrome (54630644603645).

The spelling of 40420404201241 in words is "forty trillion, four hundred twenty billion, four hundred four million, two hundred one thousand, two hundred forty-one".