40738085 has 4 divisors (see below), whose sum is σ = 48885708. Its totient is φ = 32590464.

The previous prime is 40738081. The next prime is 40738097. The reversal of 40738085 is 58083704.

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 8099716 + 32638369 = 2846^2 + 5713^2 .

It is a cyclic number.

It is not a de Polignac number, because 40738085 - 2² = 40738081 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40738081) 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, 4073804 + ... + 4073813.

It is an arithmetic number, because the mean of its divisors is an integer number (12221427).

Almost surely, 2^40738085 is an apocalyptic number.

It is an amenable number.

40738085 is a deficient number, since it is larger than the sum of its proper divisors (8147623).

40738085 is an equidigital number, since it uses as much as digits as its factorization.

40738085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147622.

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 40738085 is about 6382.6393443465. The cubic root of 40738085 is about 344.0858949244.

The spelling of 40738085 in words is "forty million, seven hundred thirty-eight thousand, eighty-five".