40510354531 has 2 divisors, whose sum is σ = 40510354532. Its totient is φ = 40510354530.

The previous prime is 40510354529. The next prime is 40510354583. The reversal of 40510354531 is 13545301504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40510354531 - 2¹ = 40510354529 is a prime.

It is a super-2 number, since 2×40510354531² (a number of 22 digits) contains 22 as substring.

Together with 40510354529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 40510354493 and 40510354502.

It is not a weakly prime, because it can be changed into another prime (40510354501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20255177265 + 20255177266.

It is an arithmetic number, because the mean of its divisors is an integer number (20255177266).

Almost surely, 2^40510354531 is an apocalyptic number.

40510354531 is a deficient number, since it is larger than the sum of its proper divisors (1).

40510354531 is an equidigital number, since it uses as much as digits as its factorization.

40510354531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18000, while the sum is 31.

The spelling of 40510354531 in words is "forty billion, five hundred ten million, three hundred fifty-four thousand, five hundred thirty-one".