40242110401 has 4 divisors (see below), whose sum is σ = 40242514900. Its totient is φ = 40241705904.

The previous prime is 40242110399. The next prime is 40242110411. The reversal of 40242110401 is 10401124204.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 11393427600 + 28848682801 = 106740^2 + 169849^2 .

It is a cyclic number.

It is not a de Polignac number, because 40242110401 - 2¹ = 40242110399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40242110411) 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, 62515 + ... + 290503.

It is an arithmetic number, because the mean of its divisors is an integer number (10060628725).

Almost surely, 2^40242110401 is an apocalyptic number.

It is an amenable number.

40242110401 is a deficient number, since it is larger than the sum of its proper divisors (404499).

40242110401 is a wasteful number, since it uses less digits than its factorization.

40242110401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404498.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 40242110401 its reverse (10401124204), we get a palindrome (50643234605).

The spelling of 40242110401 in words is "forty billion, two hundred forty-two million, one hundred ten thousand, four hundred one".