40480447 has 4 divisors (see below), whose sum is σ = 46263376. Its totient is φ = 34697520.

The previous prime is 40480439. The next prime is 40480457. The reversal of 40480447 is 74408404.

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 40480447 - 2³ = 40480439 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 (40480457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2891454 + ... + 2891467.

It is an arithmetic number, because the mean of its divisors is an integer number (11565844).

Almost surely, 2^40480447 is an apocalyptic number.

40480447 is a deficient number, since it is larger than the sum of its proper divisors (5782929).

40480447 is an equidigital number, since it uses as much as digits as its factorization.

40480447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5782928.

The product of its (nonzero) digits is 14336, while the sum is 31.

The square root of 40480447 is about 6362.4246164493. The cubic root of 40480447 is about 343.3589981967.

The spelling of 40480447 in words is "forty million, four hundred eighty thousand, four hundred forty-seven".