40265747 has 4 divisors (see below), whose sum is σ = 40775520. Its totient is φ = 39755976.

The previous prime is 40265713. The next prime is 40265773. The reversal of 40265747 is 74756204.

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

It is a cyclic number.

It is not a de Polignac number, because 40265747 - 2¹⁰ = 40264723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40265347) by changing a digit.

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, 254768 + ... + 254925.

It is an arithmetic number, because the mean of its divisors is an integer number (10193880).

Almost surely, 2^40265747 is an apocalyptic number.

40265747 is a deficient number, since it is larger than the sum of its proper divisors (509773).

40265747 is an equidigital number, since it uses as much as digits as its factorization.

40265747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509772.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 40265747 is about 6345.5296863225. The cubic root of 40265747 is about 342.7508865588.

The spelling of 40265747 in words is "forty million, two hundred sixty-five thousand, seven hundred forty-seven".