40670706987 has 16 divisors (see below), whose sum is σ = 60268548000. Its totient is φ = 27106762752.

The previous prime is 40670706953. The next prime is 40670706991. The reversal of 40670706987 is 78960707604.

It is not a de Polignac number, because 40670706987 - 2²⁰ = 40669658411 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40670706907) 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 in 15 ways as a sum of consecutive naturals, for example, 88662 + ... + 298667.

It is an arithmetic number, because the mean of its divisors is an integer number (3766784250).

Almost surely, 2^40670706987 is an apocalyptic number.

40670706987 is a deficient number, since it is larger than the sum of its proper divisors (19597841013).

40670706987 is a wasteful number, since it uses less digits than its factorization.

40670706987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391227 (or 391221 counting only the distinct ones).

The product of its (nonzero) digits is 3556224, while the sum is 54.

The spelling of 40670706987 in words is "forty billion, six hundred seventy million, seven hundred six thousand, nine hundred eighty-seven".