40041735887 has 2 divisors, whose sum is σ = 40041735888. Its totient is φ = 40041735886.

The previous prime is 40041735871. The next prime is 40041735901. The reversal of 40041735887 is 78853714004.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 40041735887 - 2⁴ = 40041735871 is a prime.

It is a super-2 number, since 2×40041735887² (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 (40041735857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20020867943 + 20020867944.

It is an arithmetic number, because the mean of its divisors is an integer number (20020867944).

Almost surely, 2^40041735887 is an apocalyptic number.

40041735887 is a deficient number, since it is larger than the sum of its proper divisors (1).

40041735887 is an equidigital number, since it uses as much as digits as its factorization.

40041735887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 40041735887 in words is "forty billion, forty-one million, seven hundred thirty-five thousand, eight hundred eighty-seven".