40099795 has 4 divisors (see below), whose sum is σ = 48119760. Its totient is φ = 32079832.

The previous prime is 40099783. The next prime is 40099799. The reversal of 40099795 is 59799004.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40099795 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40099799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4009975 + ... + 4009984.

It is an arithmetic number, because the mean of its divisors is an integer number (12029940).

Almost surely, 2^40099795 is an apocalyptic number.

40099795 is a deficient number, since it is larger than the sum of its proper divisors (8019965).

40099795 is an equidigital number, since it uses as much as digits as its factorization.

40099795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8019964.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 40099795 is about 6332.4398931218. The cubic root of 40099795 is about 342.2793648880.

The spelling of 40099795 in words is "forty million, ninety-nine thousand, seven hundred ninety-five".