40858247129 has 16 divisors (see below), whose sum is σ = 47731550208. Its totient is φ = 34245387792.

The previous prime is 40858247093. The next prime is 40858247137. The reversal of 40858247129 is 92174285804.

It is not a de Polignac number, because 40858247129 - 2¹⁶ = 40858181593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40858247189) 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, 314174 + ... + 424760.

It is an arithmetic number, because the mean of its divisors is an integer number (2983221888).

Almost surely, 2^40858247129 is an apocalyptic number.

It is an amenable number.

40858247129 is a deficient number, since it is larger than the sum of its proper divisors (6873303079).

40858247129 is a wasteful number, since it uses less digits than its factorization.

40858247129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111764.

The product of its (nonzero) digits is 1290240, while the sum is 50.

The spelling of 40858247129 in words is "forty billion, eight hundred fifty-eight million, two hundred forty-seven thousand, one hundred twenty-nine".