541143945864 has 48 divisors (see below), whose sum is σ = 1466364685500. Its totient is φ = 180286977024.

The previous prime is 541143945863. The next prime is 541143945929. The reversal of 541143945864 is 468549341145.

541143945864 is a `hidden beast` number, since 5 + 4 + 11 + 43 + 9 + 4 + 586 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 409126536900 + 132017408964 = 639630^2 + 363342^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 541143945864.

It is not an unprimeable number, because it can be changed into a prime (541143945863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1826689 + ... + 2102160.

Almost surely, 2^541143945864 is an apocalyptic number.

It is an amenable number.

541143945864 is an abundant number, since it is smaller than the sum of its proper divisors (925220739636).

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

541143945864 is a wasteful number, since it uses less digits than its factorization.

541143945864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930774 (or 3930767 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The spelling of 541143945864 in words is "five hundred forty-one billion, one hundred forty-three million, nine hundred forty-five thousand, eight hundred sixty-four".