541043660640 has 144 divisors (see below), whose sum is σ = 1982538642672. Its totient is φ = 123667117056.

The previous prime is 541043660617. The next prime is 541043660653. The reversal of 541043660640 is 46066340145.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11478259 + ... + 11525298.

It is an arithmetic number, because the mean of its divisors is an integer number (13767629463).

Almost surely, 2^541043660640 is an apocalyptic number.

It is an amenable number.

541043660640 is an abundant number, since it is smaller than the sum of its proper divisors (1441494982032).

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

541043660640 is a wasteful number, since it uses less digits than its factorization.

541043660640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23003589 (or 23003574 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 541043660640 in words is "five hundred forty-one billion, forty-three million, six hundred sixty thousand, six hundred forty".