40071602 has 4 divisors (see below), whose sum is σ = 60107406. Its totient is φ = 20035800.

The previous prime is 40071599. The next prime is 40071641. The reversal of 40071602 is 20617004.

40071602 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 can be written as a sum of positive squares in only one way, i.e., 20349121 + 19722481 = 4511^2 + 4441^2 .

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 as a sum of consecutive naturals, namely, 10017899 + ... + 10017902.

Almost surely, 2^40071602 is an apocalyptic number.

40071602 is a deficient number, since it is larger than the sum of its proper divisors (20035804).

40071602 is a wasteful number, since it uses less digits than its factorization.

40071602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20035803.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 40071602 is about 6330.2134245221. The cubic root of 40071602 is about 342.1991305250.

Adding to 40071602 its reverse (20617004), we get a palindrome (60688606).

The spelling of 40071602 in words is "forty million, seventy-one thousand, six hundred two".