40234311705647 has 4 divisors (see below), whose sum is σ = 40459084396920. Its totient is φ = 40009539014376.

The previous prime is 40234311705641. The next prime is 40234311705667. The reversal of 40234311705647 is 74650711343204.

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 40234311705647 - 2⁸ = 40234311705391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40234311705641) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112386345368 + ... + 112386345725.

It is an arithmetic number, because the mean of its divisors is an integer number (10114771099230).

Almost surely, 2^{40234311705647} is an apocalyptic number.

40234311705647 is a deficient number, since it is larger than the sum of its proper divisors (224772691273).

40234311705647 is a wasteful number, since it uses less digits than its factorization.

40234311705647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224772691272.

The product of its (nonzero) digits is 1693440, while the sum is 47.

The spelling of 40234311705647 in words is "forty trillion, two hundred thirty-four billion, three hundred eleven million, seven hundred five thousand, six hundred forty-seven".