40858327829 has 16 divisors (see below), whose sum is σ = 45339747840. Its totient is φ = 36505067760.

The previous prime is 40858327801. The next prime is 40858327843. The reversal of 40858327829 is 92872385804.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40858327829 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 (40858327849) 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, 4423514 + ... + 4432740.

It is an arithmetic number, because the mean of its divisors is an integer number (2833734240).

Almost surely, 2^40858327829 is an apocalyptic number.

It is an amenable number.

40858327829 is a deficient number, since it is larger than the sum of its proper divisors (4481420011).

40858327829 is a wasteful number, since it uses less digits than its factorization.

40858327829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16120.

The product of its (nonzero) digits is 7741440, while the sum is 56.

The spelling of 40858327829 in words is "forty billion, eight hundred fifty-eight million, three hundred twenty-seven thousand, eight hundred twenty-nine".