40909046 has 4 divisors (see below), whose sum is σ = 61363572. Its totient is φ = 20454522.

The previous prime is 40909031. The next prime is 40909067. The reversal of 40909046 is 64090904.

It is a happy number.

40909046 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, 10227260 + ... + 10227263.

It is an arithmetic number, because the mean of its divisors is an integer number (15340893).

Almost surely, 2^40909046 is an apocalyptic number.

40909046 is a deficient number, since it is larger than the sum of its proper divisors (20454526).

40909046 is a wasteful number, since it uses less digits than its factorization.

40909046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20454525.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 40909046 is about 6396.0179799622. The cubic root of 40909046 is about 344.5665522054.

The spelling of 40909046 in words is "forty million, nine hundred nine thousand, forty-six".