40309034 has 8 divisors (see below), whose sum is σ = 60735360. Its totient is φ = 20063916.

The previous prime is 40309019. The next prime is 40309063. The reversal of 40309034 is 43090304.

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

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, 44744 + ... + 45635.

It is an arithmetic number, because the mean of its divisors is an integer number (7591920).

Almost surely, 2^40309034 is an apocalyptic number.

40309034 is a deficient number, since it is larger than the sum of its proper divisors (20426326).

40309034 is a wasteful number, since it uses less digits than its factorization.

40309034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90604.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 40309034 is about 6348.9395964996. The cubic root of 40309034 is about 342.8736653909.

Adding to 40309034 its reverse (43090304), we get a palindrome (83399338).

The spelling of 40309034 in words is "forty million, three hundred nine thousand, thirty-four".