40122566487 has 10 divisors (see below), whose sum is σ = 59936179688. Its totient is φ = 26748377604.

The previous prime is 40122566461. The next prime is 40122566489. The reversal of 40122566487 is 78466522104.

40122566487 is a `hidden beast` number, since 4 + 0 + 1 + 2 + 2 + 566 + 4 + 87 = 666.

It is not a de Polignac number, because 40122566487 - 2¹¹ = 40122564439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40122566489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 247670083 + ... + 247670244.

Almost surely, 2^40122566487 is an apocalyptic number.

40122566487 is a deficient number, since it is larger than the sum of its proper divisors (19813613201).

40122566487 is an equidigital number, since it uses as much as digits as its factorization.

40122566487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495340339 (or 495340330 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The spelling of 40122566487 in words is "forty billion, one hundred twenty-two million, five hundred sixty-six thousand, four hundred eighty-seven".