40801606 has 4 divisors (see below), whose sum is σ = 61202412. Its totient is φ = 20400802.

The previous prime is 40801603. The next prime is 40801613. The reversal of 40801606 is 60610804.

40801606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40801603) 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 as a sum of consecutive naturals, namely, 10200400 + ... + 10200403.

It is an arithmetic number, because the mean of its divisors is an integer number (15300603).

Almost surely, 2^40801606 is an apocalyptic number.

40801606 is a deficient number, since it is larger than the sum of its proper divisors (20400806).

40801606 is a wasteful number, since it uses less digits than its factorization.

40801606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20400805.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 40801606 is about 6387.6134823579. The cubic root of 40801606 is about 344.2646410938.

The spelling of 40801606 in words is "forty million, eight hundred one thousand, six hundred six".