40008677 has 4 divisors (see below), whose sum is σ = 40053696. Its totient is φ = 39963660.

The previous prime is 40008649. The next prime is 40008679. The reversal of 40008677 is 77680004.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40008677 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 (40008679) 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, 21149 + ... + 22962.

It is an arithmetic number, because the mean of its divisors is an integer number (10013424).

Almost surely, 2^40008677 is an apocalyptic number.

It is an amenable number.

40008677 is a deficient number, since it is larger than the sum of its proper divisors (45019).

40008677 is an equidigital number, since it uses as much as digits as its factorization.

40008677 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45018.

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 40008677 is about 6325.2412602208. The cubic root of 40008677 is about 342.0199166496.

The spelling of 40008677 in words is "forty million, eight thousand, six hundred seventy-seven".