40447093 has 8 divisors (see below), whose sum is σ = 40887000. Its totient is φ = 40009728.

The previous prime is 40447081. The next prime is 40447111. The reversal of 40447093 is 39074404.

40447093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 213444 + 40233649 = 462^2 + 6343^2 .

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 40447093 - 2⁵ = 40447061 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 (40447013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52213 + ... + 52981.

It is an arithmetic number, because the mean of its divisors is an integer number (5110875).

Almost surely, 2^40447093 is an apocalyptic number.

It is an amenable number.

40447093 is a deficient number, since it is larger than the sum of its proper divisors (439907).

40447093 is a wasteful number, since it uses less digits than its factorization.

40447093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40447093 is about 6359.8029057511. The cubic root of 40447093 is about 343.2646683516.

The spelling of 40447093 in words is "forty million, four hundred forty-seven thousand, ninety-three".