40534452887 has 2 divisors, whose sum is σ = 40534452888. Its totient is φ = 40534452886.

The previous prime is 40534452863. The next prime is 40534452977. The reversal of 40534452887 is 78825443504.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40534452887 - 2⁸ = 40534452631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40534452857) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20267226443 + 20267226444.

It is an arithmetic number, because the mean of its divisors is an integer number (20267226444).

Almost surely, 2^40534452887 is an apocalyptic number.

40534452887 is a deficient number, since it is larger than the sum of its proper divisors (1).

40534452887 is an equidigital number, since it uses as much as digits as its factorization.

40534452887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4300800, while the sum is 50.

The spelling of 40534452887 in words is "forty billion, five hundred thirty-four million, four hundred fifty-two thousand, eight hundred eighty-seven".