40240304287 has 2 divisors, whose sum is σ = 40240304288. Its totient is φ = 40240304286.

The previous prime is 40240304249. The next prime is 40240304353. The reversal of 40240304287 is 78240304204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40240304287 - 2²³ = 40231915679 is a prime.

It is a super-2 number, since 2×40240304287² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40240304207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20120152143 + 20120152144.

It is an arithmetic number, because the mean of its divisors is an integer number (20120152144).

Almost surely, 2^40240304287 is an apocalyptic number.

40240304287 is a deficient number, since it is larger than the sum of its proper divisors (1).

40240304287 is an equidigital number, since it uses as much as digits as its factorization.

40240304287 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43008, while the sum is 34.

The spelling of 40240304287 in words is "forty billion, two hundred forty million, three hundred four thousand, two hundred eighty-seven".