40677687 has 16 divisors (see below), whose sum is σ = 60852480. Its totient is φ = 26853336.

The previous prime is 40677683. The next prime is 40677713. The reversal of 40677687 is 78677604.

It is not a de Polignac number, because 40677687 - 2² = 40677683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40677683) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4533 + ... + 10094.

It is an arithmetic number, because the mean of its divisors is an integer number (3803280).

Almost surely, 2^40677687 is an apocalyptic number.

40677687 is a deficient number, since it is larger than the sum of its proper divisors (20174793).

40677687 is a wasteful number, since it uses less digits than its factorization.

40677687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14739 (or 14733 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 40677687 is about 6377.9061611159. The cubic root of 40677687 is about 343.9157643712.

The spelling of 40677687 in words is "forty million, six hundred seventy-seven thousand, six hundred eighty-seven".