40539050169 has 8 divisors (see below), whose sum is σ = 54236546112. Its totient is φ = 26933793840.

The previous prime is 40539050129. The next prime is 40539050171. The reversal of 40539050169 is 96105093504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40539050169 - 2⁹ = 40539049657 is a prime.

It is a super-2 number, since 2×40539050169² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40539050169.

It is not an unprimeable number, because it can be changed into a prime (40539050129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23058877 + ... + 23060634.

It is an arithmetic number, because the mean of its divisors is an integer number (6779568264).

Almost surely, 2^40539050169 is an apocalyptic number.

It is an amenable number.

40539050169 is a deficient number, since it is larger than the sum of its proper divisors (13697495943).

40539050169 is a wasteful number, since it uses less digits than its factorization.

40539050169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46119807.

The product of its (nonzero) digits is 145800, while the sum is 42.

The spelling of 40539050169 in words is "forty billion, five hundred thirty-nine million, fifty thousand, one hundred sixty-nine".