40770305 has 4 divisors (see below), whose sum is σ = 48924372. Its totient is φ = 32616240.

The previous prime is 40770299. The next prime is 40770311. The reversal of 40770305 is 50307704.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (40770299) and next prime (40770311).

It can be written as a sum of positive squares in 2 ways, for example, as 27867841 + 12902464 = 5279^2 + 3592^2 .

It is not a de Polignac number, because 40770305 - 2²⁰ = 39721729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4077026 + ... + 4077035.

It is an arithmetic number, because the mean of its divisors is an integer number (12231093).

Almost surely, 2^40770305 is an apocalyptic number.

It is an amenable number.

40770305 is a deficient number, since it is larger than the sum of its proper divisors (8154067).

40770305 is an equidigital number, since it uses as much as digits as its factorization.

40770305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8154066.

The product of its (nonzero) digits is 2940, while the sum is 26.

The square root of 40770305 is about 6385.1628796766. The cubic root of 40770305 is about 344.1765842310.

The spelling of 40770305 in words is "forty million, seven hundred seventy thousand, three hundred five".