40641306 has 8 divisors (see below), whose sum is σ = 81282624. Its totient is φ = 13547100.

The previous prime is 40641283. The next prime is 40641331. The reversal of 40641306 is 60314604.

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

40641306 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3386770 + ... + 3386781.

It is an arithmetic number, because the mean of its divisors is an integer number (10160328).

Almost surely, 2^40641306 is an apocalyptic number.

40641306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40641306 is a wasteful number, since it uses less digits than its factorization.

40641306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6773556.

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 40641306 is about 6375.0534115410. The cubic root of 40641306 is about 343.8132042018.

The spelling of 40641306 in words is "forty million, six hundred forty-one thousand, three hundred six".