41809847540 has 12 divisors (see below), whose sum is σ = 87800679876. Its totient is φ = 16723939008.

The previous prime is 41809847531. The next prime is 41809847627. The reversal of 41809847540 is 4574890814.

It can be written as a sum of positive squares in 2 ways, for example, as 27959852944 + 13849994596 = 167212^2 + 117686^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1045246169 + ... + 1045246208.

It is an arithmetic number, because the mean of its divisors is an integer number (7316723323).

Almost surely, 2^41809847540 is an apocalyptic number.

It is an amenable number.

41809847540 is an abundant number, since it is smaller than the sum of its proper divisors (45990832336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

41809847540 is a wasteful number, since it uses less digits than its factorization.

41809847540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2090492386 (or 2090492384 counting only the distinct ones).

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

The spelling of 41809847540 in words is "forty-one billion, eight hundred nine million, eight hundred forty-seven thousand, five hundred forty".