40506485 has 4 divisors (see below), whose sum is σ = 48607788. Its totient is φ = 32405184.

The previous prime is 40506467. The next prime is 40506497. The reversal of 40506485 is 58460504.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5943844 + 34562641 = 2438^2 + 5879^2 .

It is a cyclic number.

It is not a de Polignac number, because 40506485 - 2¹⁴ = 40490101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4050644 + ... + 4050653.

It is an arithmetic number, because the mean of its divisors is an integer number (12151947).

Almost surely, 2^40506485 is an apocalyptic number.

It is an amenable number.

40506485 is a deficient number, since it is larger than the sum of its proper divisors (8101303).

40506485 is an equidigital number, since it uses as much as digits as its factorization.

40506485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8101302.

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 40506485 is about 6364.4705200040. The cubic root of 40506485 is about 343.4326013479.

Adding to 40506485 its reverse (58460504), we get a palindrome (98966989).

The spelling of 40506485 in words is "forty million, five hundred six thousand, four hundred eighty-five".