41187561984 has 60 divisors (see below), whose sum is σ = 118870105926. Its totient is φ = 13729185792.

The previous prime is 41187561979. The next prime is 41187561991. The reversal of 41187561984 is 48916578114.

41187561984 is a `hidden beast` number, since 4 + 1 + 18 + 7 + 5 + 619 + 8 + 4 = 666.

It can be written as a sum of positive squares in only one way, i.e., 41127840000 + 59721984 = 202800^2 + 7728^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 41187561984.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4464529 + ... + 4473744.

Almost surely, 2^41187561984 is an apocalyptic number.

It is an amenable number.

41187561984 is an abundant number, since it is smaller than the sum of its proper divisors (77682543942).

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

41187561984 is an equidigital number, since it uses as much as digits as its factorization.

41187561984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8938297 (or 8938278 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 54.

The spelling of 41187561984 in words is "forty-one billion, one hundred eighty-seven million, five hundred sixty-one thousand, nine hundred eighty-four".