40401033401213 has 4 divisors (see below), whose sum is σ = 40401046163520. Its totient is φ = 40401020638908.

The previous prime is 40401033401207. The next prime is 40401033401251. The reversal of 40401033401213 is 31210433010404.

It is a happy number.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 40401033401213 - 2⁸ = 40401033400957 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 (40401033401273) 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, 2344598 + ... + 9289736.

It is an arithmetic number, because the mean of its divisors is an integer number (10100261540880).

Almost surely, 2^{40401033401213} is an apocalyptic number.

It is an amenable number.

40401033401213 is a deficient number, since it is larger than the sum of its proper divisors (12762307).

40401033401213 is an equidigital number, since it uses as much as digits as its factorization.

40401033401213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12762306.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 40401033401213 its reverse (31210433010404), we get a palindrome (71611466411617).

The spelling of 40401033401213 in words is "forty trillion, four hundred one billion, thirty-three million, four hundred one thousand, two hundred thirteen".