40680134787 has 8 divisors (see below), whose sum is σ = 54247091904. Its totient is φ = 27116633768.

The previous prime is 40680134783. The next prime is 40680134857. The reversal of 40680134787 is 78743108604.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40680134787 - 2² = 40680134783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40680134783) 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 in 7 ways as a sum of consecutive naturals, for example, 836433 + ... + 883730.

It is an arithmetic number, because the mean of its divisors is an integer number (6780886488).

Almost surely, 2^40680134787 is an apocalyptic number.

40680134787 is a deficient number, since it is larger than the sum of its proper divisors (13566957117).

40680134787 is a wasteful number, since it uses less digits than its factorization.

40680134787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1728049.

The product of its (nonzero) digits is 903168, while the sum is 48.

The spelling of 40680134787 in words is "forty billion, six hundred eighty million, one hundred thirty-four thousand, seven hundred eighty-seven".