40687036907 has 4 divisors (see below), whose sum is σ = 44385858456. Its totient is φ = 36988215360.

The previous prime is 40687036903. The next prime is 40687036913. The reversal of 40687036907 is 70963078604.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40687036907 - 2² = 40687036903 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40687036903) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1849410758 + ... + 1849410779.

It is an arithmetic number, because the mean of its divisors is an integer number (11096464614).

Almost surely, 2^40687036907 is an apocalyptic number.

40687036907 is a deficient number, since it is larger than the sum of its proper divisors (3698821549).

40687036907 is a wasteful number, since it uses less digits than its factorization.

40687036907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3698821548.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 40687036907 in words is "forty billion, six hundred eighty-seven million, thirty-six thousand, nine hundred seven".