40059587 has 2 divisors, whose sum is σ = 40059588. Its totient is φ = 40059586.

The previous prime is 40059563. The next prime is 40059631. The reversal of 40059587 is 78595004.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40059587 is a prime.

It is a super-2 number, since 2×40059587² = 3209541021221138, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40059587.

It is not a weakly prime, because it can be changed into another prime (40059287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20029793 + 20029794.

It is an arithmetic number, because the mean of its divisors is an integer number (20029794).

Almost surely, 2^40059587 is an apocalyptic number.

40059587 is a deficient number, since it is larger than the sum of its proper divisors (1).

40059587 is an equidigital number, since it uses as much as digits as its factorization.

40059587 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 40059587 is about 6329.2643332381. The cubic root of 40059587 is about 342.1649256405.

The spelling of 40059587 in words is "forty million, fifty-nine thousand, five hundred eighty-seven".