40608506 has 4 divisors (see below), whose sum is σ = 60912762. Its totient is φ = 20304252.

The previous prime is 40608487. The next prime is 40608553. The reversal of 40608506 is 60580604.

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., 35295481 + 5313025 = 5941^2 + 2305^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10152125 + ... + 10152128.

Almost surely, 2^40608506 is an apocalyptic number.

40608506 is a deficient number, since it is larger than the sum of its proper divisors (20304256).

40608506 is a wasteful number, since it uses less digits than its factorization.

40608506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20304255.

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 40608506 is about 6372.4803648187. The cubic root of 40608506 is about 343.7206866023.

It can be divided in two parts, 40608 and 506, that added together give a palindrome (41114).

The spelling of 40608506 in words is "forty million, six hundred eight thousand, five hundred six".