40236574459 has 2 divisors, whose sum is σ = 40236574460. Its totient is φ = 40236574458.

The previous prime is 40236574421. The next prime is 40236574471. The reversal of 40236574459 is 95447563204.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40236574459 - 2²¹ = 40234477307 is a prime.

It is a super-2 number, since 2×40236574459² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40236574409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20118287229 + 20118287230.

It is an arithmetic number, because the mean of its divisors is an integer number (20118287230).

Almost surely, 2^40236574459 is an apocalyptic number.

40236574459 is a deficient number, since it is larger than the sum of its proper divisors (1).

40236574459 is an equidigital number, since it uses as much as digits as its factorization.

40236574459 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3628800, while the sum is 49.

The spelling of 40236574459 in words is "forty billion, two hundred thirty-six million, five hundred seventy-four thousand, four hundred fifty-nine".