41878619505 has 12 divisors (see below), whose sum is σ = 72589607220. Its totient is φ = 22335263712.

The previous prime is 41878619491. The next prime is 41878619509. The reversal of 41878619505 is 50591687814.

It is a happy number.

41878619505 is a `hidden beast` number, since 4 + 1 + 8 + 78 + 61 + 9 + 505 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 16109701776 + 25768917729 = 126924^2 + 160527^2 .

It is not a de Polignac number, because 41878619505 - 2⁶ = 41878619441 is a prime.

It is not an unprimeable number, because it can be changed into a prime (41878619509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 465317950 + ... + 465318039.

It is an arithmetic number, because the mean of its divisors is an integer number (6049133935).

Almost surely, 2^41878619505 is an apocalyptic number.

41878619505 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

41878619505 is a deficient number, since it is larger than the sum of its proper divisors (30710987715).

41878619505 is a wasteful number, since it uses less digits than its factorization.

41878619505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 930636000 (or 930635997 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 54.

The spelling of 41878619505 in words is "forty-one billion, eight hundred seventy-eight million, six hundred nineteen thousand, five hundred five".