40440446 has 8 divisors (see below), whose sum is σ = 60868584. Its totient is φ = 20150920.

The previous prime is 40440419. The next prime is 40440451. The reversal of 40440446 is 64404404.

40440446 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, 33920 + ... + 35091.

It is an arithmetic number, because the mean of its divisors is an integer number (7608573).

Almost surely, 2^40440446 is an apocalyptic number.

40440446 is a deficient number, since it is larger than the sum of its proper divisors (20428138).

40440446 is a wasteful number, since it uses less digits than its factorization.

40440446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69306.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 40440446 is about 6359.2803051918. The cubic root of 40440446 is about 343.2458634958.

The spelling of 40440446 in words is "forty million, four hundred forty thousand, four hundred forty-six".