40342806 has 32 divisors (see below), whose sum is σ = 102458880. Its totient is φ = 11526408.

The previous prime is 40342789. The next prime is 40342823. The reversal of 40342806 is 60824304.

40342806 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40342789) and next prime (40342823).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40342806.

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 15 ways as a sum of consecutive naturals, for example, 52986 + ... + 53741.

It is an arithmetic number, because the mean of its divisors is an integer number (3201840).

Almost surely, 2^40342806 is an apocalyptic number.

40342806 is an abundant number, since it is smaller than the sum of its proper divisors (62116074).

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

40342806 is a wasteful number, since it uses less digits than its factorization.

40342806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106745 (or 106739 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40342806 is about 6351.5986963913. The cubic root of 40342806 is about 342.9693949409.

The spelling of 40342806 in words is "forty million, three hundred forty-two thousand, eight hundred six".