40042413324401 has 4 divisors (see below), whose sum is σ = 40042519982400. Its totient is φ = 40042306666404.

The previous prime is 40042413324371. The next prime is 40042413324481. The reversal of 40042413324401 is 10442331424004.

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.

It is a cyclic number.

It is not a de Polignac number, because 40042413324401 - 2²⁶ = 40042346215537 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40042413324481) 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, 52763861 + ... + 53517378.

It is an arithmetic number, because the mean of its divisors is an integer number (10010629995600).

Almost surely, 2^{40042413324401} is an apocalyptic number.

It is an amenable number.

40042413324401 is a deficient number, since it is larger than the sum of its proper divisors (106657999).

40042413324401 is a wasteful number, since it uses less digits than its factorization.

40042413324401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106657998.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 40042413324401 its reverse (10442331424004), we get a palindrome (50484744748405).

The spelling of 40042413324401 in words is "forty trillion, forty-two billion, four hundred thirteen million, three hundred twenty-four thousand, four hundred one".