40242110431 has 2 divisors, whose sum is σ = 40242110432. Its totient is φ = 40242110430.

The previous prime is 40242110411. The next prime is 40242110443. The reversal of 40242110431 is 13401124204.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40242110431 - 2⁵ = 40242110399 is a prime.

It is a super-4 number, since 4×40242110431⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40242110411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20121055215 + 20121055216.

It is an arithmetic number, because the mean of its divisors is an integer number (20121055216).

Almost surely, 2^40242110431 is an apocalyptic number.

40242110431 is a deficient number, since it is larger than the sum of its proper divisors (1).

40242110431 is an equidigital number, since it uses as much as digits as its factorization.

40242110431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 768, while the sum is 22.

Adding to 40242110431 its reverse (13401124204), we get a palindrome (53643234635).

The spelling of 40242110431 in words is "forty billion, two hundred forty-two million, one hundred ten thousand, four hundred thirty-one".