41564543670 has 96 divisors (see below), whose sum is σ = 116824099392. Its totient is φ = 10192294656.

The previous prime is 41564543663. The next prime is 41564543687. The reversal of 41564543670 is 7634546514.

41564543670 is a `hidden beast` number, since 4 + 1 + 564 + 54 + 36 + 7 + 0 = 666.

It is a super-2 number, since 2×41564543670² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

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 47 ways as a sum of consecutive naturals, for example, 240172 + ... + 375248.

It is an arithmetic number, because the mean of its divisors is an integer number (1216917702).

Almost surely, 2^41564543670 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 41564543670, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58412049696).

41564543670 is an abundant number, since it is smaller than the sum of its proper divisors (75259555722).

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

41564543670 is a wasteful number, since it uses less digits than its factorization.

41564543670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135366 (or 135363 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 45.

The spelling of 41564543670 in words is "forty-one billion, five hundred sixty-four million, five hundred forty-three thousand, six hundred seventy".