40750085 has 4 divisors (see below), whose sum is σ = 48900108. Its totient is φ = 32600064.

The previous prime is 40750049. The next prime is 40750091. The reversal of 40750085 is 58005704.

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 14145121 + 26604964 = 3761^2 + 5158^2 .

It is a cyclic number.

It is not a de Polignac number, because 40750085 - 2¹⁰ = 40749061 is a prime.

It is a Duffinian number.

It is a Curzon 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, 4075004 + ... + 4075013.

It is an arithmetic number, because the mean of its divisors is an integer number (12225027).

Almost surely, 2^40750085 is an apocalyptic number.

It is an amenable number.

40750085 is a deficient number, since it is larger than the sum of its proper divisors (8150023).

40750085 is an equidigital number, since it uses as much as digits as its factorization.

40750085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8150022.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 40750085 is about 6383.5793251122. The cubic root of 40750085 is about 344.1196767888.

Adding to 40750085 its reverse (58005704), we get a palindrome (98755789).

The spelling of 40750085 in words is "forty million, seven hundred fifty thousand, eighty-five".