40489366 has 4 divisors (see below), whose sum is σ = 60734052. Its totient is φ = 20244682.

The previous prime is 40489357. The next prime is 40489381. The reversal of 40489366 is 66398404.

40489366 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two 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 as a sum of consecutive naturals, namely, 10122340 + ... + 10122343.

It is an arithmetic number, because the mean of its divisors is an integer number (15183513).

Almost surely, 2^40489366 is an apocalyptic number.

40489366 is a deficient number, since it is larger than the sum of its proper divisors (20244686).

40489366 is a wasteful number, since it uses less digits than its factorization.

40489366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20244685.

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40489366 is about 6363.1254898831. The cubic root of 40489366 is about 343.3842136134.

The spelling of 40489366 in words is "forty million, four hundred eighty-nine thousand, three hundred sixty-six".