40236297071 has 4 divisors (see below), whose sum is σ = 40365674544. Its totient is φ = 40106919600.

The previous prime is 40236297043. The next prime is 40236297089. The reversal of 40236297071 is 17079263204.

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 40236297071 - 2¹⁰ = 40236296047 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 (40236297011) 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, 64688270 + ... + 64688891.

It is an arithmetic number, because the mean of its divisors is an integer number (10091418636).

Almost surely, 2^40236297071 is an apocalyptic number.

40236297071 is a deficient number, since it is larger than the sum of its proper divisors (129377473).

40236297071 is a wasteful number, since it uses less digits than its factorization.

40236297071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129377472.

The product of its (nonzero) digits is 127008, while the sum is 41.

The spelling of 40236297071 in words is "forty billion, two hundred thirty-six million, two hundred ninety-seven thousand, seventy-one".