40764085 has 4 divisors (see below), whose sum is σ = 48916908. Its totient is φ = 32611264.

The previous prime is 40764077. The next prime is 40764089. The reversal of 40764085 is 58046704.

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 20711601 + 20052484 = 4551^2 + 4478^2 .

It is a cyclic number.

It is not a de Polignac number, because 40764085 - 2³ = 40764077 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40764085.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40764089) 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, 4076404 + ... + 4076413.

It is an arithmetic number, because the mean of its divisors is an integer number (12229227).

Almost surely, 2^40764085 is an apocalyptic number.

It is an amenable number.

40764085 is a deficient number, since it is larger than the sum of its proper divisors (8152823).

40764085 is an equidigital number, since it uses as much as digits as its factorization.

40764085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8152822.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 40764085 is about 6384.6757944315. The cubic root of 40764085 is about 344.1590805828.

The spelling of 40764085 in words is "forty million, seven hundred sixty-four thousand, eighty-five".