40791306 has 8 divisors (see below), whose sum is σ = 81582624. Its totient is φ = 13597100.

The previous prime is 40791299. The next prime is 40791307. The reversal of 40791306 is 60319704.

It is a happy number.

40791306 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.

40791306 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (40791307) by changing a digit.

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, 3399270 + ... + 3399281.

It is an arithmetic number, because the mean of its divisors is an integer number (10197828).

Almost surely, 2^40791306 is an apocalyptic number.

40791306 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.

40791306 is a wasteful number, since it uses less digits than its factorization.

40791306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6798556.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 40791306 is about 6386.8071835621. The cubic root of 40791306 is about 344.2356698141.

The spelling of 40791306 in words is "forty million, seven hundred ninety-one thousand, three hundred six".