40424567531 has 2 divisors, whose sum is σ = 40424567532. Its totient is φ = 40424567530.

The previous prime is 40424567489. The next prime is 40424567537. The reversal of 40424567531 is 13576542404.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40424567531 - 2¹⁴ = 40424551147 is a prime.

It is a super-2 number, since 2×40424567531² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (40424567537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20212283765 + 20212283766.

It is an arithmetic number, because the mean of its divisors is an integer number (20212283766).

Almost surely, 2^40424567531 is an apocalyptic number.

40424567531 is a deficient number, since it is larger than the sum of its proper divisors (1).

40424567531 is an equidigital number, since it uses as much as digits as its factorization.

40424567531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 40424567531 in words is "forty billion, four hundred twenty-four million, five hundred sixty-seven thousand, five hundred thirty-one".