40264745 has 4 divisors (see below), whose sum is σ = 48317700. Its totient is φ = 32211792.

The previous prime is 40264733. The next prime is 40264801. The reversal of 40264745 is 54746204.

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 17147881 + 23116864 = 4141^2 + 4808^2 .

It is a cyclic number.

It is not a de Polignac number, because 40264745 - 2⁴ = 40264729 is a prime.

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, 4026470 + ... + 4026479.

It is an arithmetic number, because the mean of its divisors is an integer number (12079425).

Almost surely, 2^40264745 is an apocalyptic number.

It is an amenable number.

40264745 is a deficient number, since it is larger than the sum of its proper divisors (8052955).

40264745 is an equidigital number, since it uses as much as digits as its factorization.

40264745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8052954.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 40264745 is about 6345.4507326115. The cubic root of 40264745 is about 342.7480434539.

The spelling of 40264745 in words is "forty million, two hundred sixty-four thousand, seven hundred forty-five".