40314845 has 4 divisors (see below), whose sum is σ = 48377820. Its totient is φ = 32251872.

The previous prime is 40314829. The next prime is 40314847. The reversal of 40314845 is 54841304.

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 30846916 + 9467929 = 5554^2 + 3077^2 .

It is a cyclic number.

It is not a de Polignac number, because 40314845 - 2⁴ = 40314829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40314847) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4031480 + ... + 4031489.

It is an arithmetic number, because the mean of its divisors is an integer number (12094455).

Almost surely, 2^40314845 is an apocalyptic number.

It is an amenable number.

40314845 is a deficient number, since it is larger than the sum of its proper divisors (8062975).

40314845 is an equidigital number, since it uses as much as digits as its factorization.

40314845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8062974.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 40314845 is about 6349.3972154843. The cubic root of 40314845 is about 342.8901409626.

The spelling of 40314845 in words is "forty million, three hundred fourteen thousand, eight hundred forty-five".