40488647 has 4 divisors (see below), whose sum is σ = 41043360. Its totient is φ = 39933936.

The previous prime is 40488631. The next prime is 40488653. The reversal of 40488647 is 74688404.

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 40488647 - 2⁴ = 40488631 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 (40488047) 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, 277247 + ... + 277392.

It is an arithmetic number, because the mean of its divisors is an integer number (10260840).

Almost surely, 2^40488647 is an apocalyptic number.

40488647 is a deficient number, since it is larger than the sum of its proper divisors (554713).

40488647 is an equidigital number, since it uses as much as digits as its factorization.

40488647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554712.

The product of its (nonzero) digits is 172032, while the sum is 41.

The square root of 40488647 is about 6363.0689922395. The cubic root of 40488647 is about 343.3821810244.

The spelling of 40488647 in words is "forty million, four hundred eighty-eight thousand, six hundred forty-seven".