40321606 has 8 divisors (see below), whose sum is σ = 65134944. Its totient is φ = 18609960.

The previous prime is 40321583. The next prime is 40321613. The reversal of 40321606 is 60612304.

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 (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 775390 + ... + 775441.

It is an arithmetic number, because the mean of its divisors is an integer number (8141868).

Almost surely, 2^40321606 is an apocalyptic number.

40321606 is a deficient number, since it is larger than the sum of its proper divisors (24813338).

40321606 is a wasteful number, since it uses less digits than its factorization.

40321606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1550846.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 40321606 is about 6349.9296059090. The cubic root of 40321606 is about 342.9093080184.

The spelling of 40321606 in words is "forty million, three hundred twenty-one thousand, six hundred six".