40734005867 has 2 divisors, whose sum is σ = 40734005868. Its totient is φ = 40734005866.

The previous prime is 40734005863. The next prime is 40734005911. The reversal of 40734005867 is 76850043704.

It is an a-pointer prime, because the next prime (40734005911) can be obtained adding 40734005867 to its sum of digits (44).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 40734005867 - 2² = 40734005863 is a prime.

It is not a weakly prime, because it can be changed into another prime (40734005863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20367002933 + 20367002934.

It is an arithmetic number, because the mean of its divisors is an integer number (20367002934).

Almost surely, 2^40734005867 is an apocalyptic number.

40734005867 is a deficient number, since it is larger than the sum of its proper divisors (1).

40734005867 is an equidigital number, since it uses as much as digits as its factorization.

40734005867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 564480, while the sum is 44.

The spelling of 40734005867 in words is "forty billion, seven hundred thirty-four million, five thousand, eight hundred sixty-seven".