40590406 has 8 divisors (see below), whose sum is σ = 62531280. Its totient is φ = 19746648.

The previous prime is 40590397. The next prime is 40590427. The reversal of 40590406 is 60409504.

40590406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 274186 + ... + 274333.

It is an arithmetic number, because the mean of its divisors is an integer number (7816410).

Almost surely, 2^40590406 is an apocalyptic number.

40590406 is a deficient number, since it is larger than the sum of its proper divisors (21940874).

40590406 is a wasteful number, since it uses less digits than its factorization.

40590406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 548558.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40590406 is about 6371.0600373878. The cubic root of 40590406 is about 343.6696113507.

The spelling of 40590406 in words is "forty million, five hundred ninety thousand, four hundred six".