40124004241 has 4 divisors (see below), whose sum is σ = 40127283684. Its totient is φ = 40120724800.

The previous prime is 40124004203. The next prime is 40124004251. The reversal of 40124004241 is 14240042104.

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 32614915216 + 7509089025 = 180596^2 + 86655^2 .

It is a cyclic number.

It is not a de Polignac number, because 40124004241 - 2²³ = 40115615633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40124004251) 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, 1621300 + ... + 1645861.

It is an arithmetic number, because the mean of its divisors is an integer number (10031820921).

Almost surely, 2^40124004241 is an apocalyptic number.

It is an amenable number.

40124004241 is a deficient number, since it is larger than the sum of its proper divisors (3279443).

40124004241 is a wasteful number, since it uses less digits than its factorization.

40124004241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3279442.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 40124004241 its reverse (14240042104), we get a palindrome (54364046345).

The spelling of 40124004241 in words is "forty billion, one hundred twenty-four million, four thousand, two hundred forty-one".