40235743460065 has 4 divisors (see below), whose sum is σ = 48282892152084. Its totient is φ = 32188594768048.

The previous prime is 40235743460057. The next prime is 40235743460071. The reversal of 40235743460065 is 56006434753204.

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 23651171383009 + 16584572077056 = 4863247^2 + 4072416^2 .

It is a cyclic number.

It is not a de Polignac number, because 40235743460065 - 2³ = 40235743460057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4023574346002 + ... + 4023574346011.

It is an arithmetic number, because the mean of its divisors is an integer number (12070723038021).

Almost surely, 2^{40235743460065} is an apocalyptic number.

It is an amenable number.

40235743460065 is a deficient number, since it is larger than the sum of its proper divisors (8047148692019).

40235743460065 is an equidigital number, since it uses as much as digits as its factorization.

40235743460065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8047148692018.

The product of its (nonzero) digits is 7257600, while the sum is 49.

The spelling of 40235743460065 in words is "forty trillion, two hundred thirty-five billion, seven hundred forty-three million, four hundred sixty thousand, sixty-five".