40510420231 has 4 divisors (see below), whose sum is σ = 40722516864. Its totient is φ = 40298323600.

The previous prime is 40510420213. The next prime is 40510420259. The reversal of 40510420231 is 13202401504.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40510420231 - 2²⁵ = 40476865799 is a prime.

It is a super-2 number, since 2×40510420231² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40510420031) 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, 106048030 + ... + 106048411.

It is an arithmetic number, because the mean of its divisors is an integer number (10180629216).

Almost surely, 2^40510420231 is an apocalyptic number.

40510420231 is a deficient number, since it is larger than the sum of its proper divisors (212096633).

40510420231 is a wasteful number, since it uses less digits than its factorization.

40510420231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212096632.

The product of its (nonzero) digits is 960, while the sum is 22.

Adding to 40510420231 its reverse (13202401504), we get a palindrome (53712821735).

The spelling of 40510420231 in words is "forty billion, five hundred ten million, four hundred twenty thousand, two hundred thirty-one".