40416447 has 8 divisors (see below), whose sum is σ = 55203120. Its totient is φ = 26287040.

The previous prime is 40416427. The next prime is 40416461. The reversal of 40416447 is 74461404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40416447 - 2⁷ = 40416319 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40416427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 164172 + ... + 164417.

It is an arithmetic number, because the mean of its divisors is an integer number (6900390).

Almost surely, 2^40416447 is an apocalyptic number.

40416447 is a deficient number, since it is larger than the sum of its proper divisors (14786673).

40416447 is a wasteful number, since it uses less digits than its factorization.

40416447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 328633.

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 40416447 is about 6357.3930978035. The cubic root of 40416447 is about 343.1779513902.

The spelling of 40416447 in words is "forty million, four hundred sixteen thousand, four hundred forty-seven".