40817485 has 4 divisors (see below), whose sum is σ = 48980988. Its totient is φ = 32653984.

The previous prime is 40817461. The next prime is 40817501. The reversal of 40817485 is 58471804.

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 13756681 + 27060804 = 3709^2 + 5202^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40817485 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, 4081744 + ... + 4081753.

It is an arithmetic number, because the mean of its divisors is an integer number (12245247).

Almost surely, 2^40817485 is an apocalyptic number.

It is an amenable number.

40817485 is a deficient number, since it is larger than the sum of its proper divisors (8163503).

40817485 is an equidigital number, since it uses as much as digits as its factorization.

40817485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8163502.

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 40817485 is about 6388.8563139266. The cubic root of 40817485 is about 344.3092951305.

The spelling of 40817485 in words is "forty million, eight hundred seventeen thousand, four hundred eighty-five".