40702640727 has 16 divisors (see below), whose sum is σ = 63699372032. Its totient is φ = 22630039200.

The previous prime is 40702640723. The next prime is 40702640761. The reversal of 40702640727 is 72704620704.

It is not a de Polignac number, because 40702640727 - 2² = 40702640723 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 (40702640723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26191399 + ... + 26192952.

It is an arithmetic number, because the mean of its divisors is an integer number (3981210752).

Almost surely, 2^40702640727 is an apocalyptic number.

40702640727 is a deficient number, since it is larger than the sum of its proper divisors (22996731305).

40702640727 is a wasteful number, since it uses less digits than its factorization.

40702640727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52384398.

The product of its (nonzero) digits is 131712, while the sum is 39.

The spelling of 40702640727 in words is "forty billion, seven hundred two million, six hundred forty thousand, seven hundred twenty-seven".